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Denso Oxygen Sensors

Oxygen sensors, also known as Lambda sensors or O2 sensors, are among the most sensitive and critical components on your car's engine. They monitor the air/fuel mixture under idle, moderate acceleration, and cruise conditions. Oxygen sensors have a smaller range of limits in detecting and adjusting the difference from an optimum air/fuel ratio than the newer wide range air/fuel sensors (A/F sensors). Today's engines may use as many as four oxygen sensors to monitor exhaust gas oxygen content and catalytic converter efficiency. In order to perform these functions properly, Denso oxygen sensors adhere to strict OE standards within incredibly close tolerances. A malfunctioning or incorrectly calibrated oxygen sensor can hurt drivability and illuminate the check engine light, resulting in costly and time-consuming repairs. Denso First Time Fit oxygen sensors are designed to meet those tolerances and more. Key features and benefits of Denso Oxygen Sensors include: * Robotic laser welds * Porous PTFE filters block efficiency-robbing contaminants * Double-protection covers maintain proper temperature for quicker response times and protect ceramic elements from silicone and lead fouling * Rugged, watertight stainless steel housings resist corrosion and contamination * Aluminum oxide trap layers keep silicone and lead out, preventing damage to the platinum electrode * Refined zirconia elements improves sensor response * Superior design maximizes engine performance while reducing fuel consumption and harmful emissions * First Time Fit design delivers the right part the first time

4.63 out of 5 stars ( 97 )

$50.99

$87.99

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Mobil Super Synthetic Blend Motor Oil

Mobil Super synthetic blend motor oil is recommended for gasoline-filled automobiles and light-duty trucks. It offers proven protection to help extend the life of your engine by preventing the formation of sludge and harmful deposits. This provides outstanding wear protection under a wide variety of operating conditions, including the benefit of easier cold starting. Extend the life of your engine with Mobil Super synthetic blend motor oil. Order the weight recommended for your specific vehicle and engine size. Features and specs: * 5,000 mile protection guarantee * Contains 15 percent more cleaning additives than their basic synthetic blend motor oil * Meets or exceeds the latest industry specifications * Available in several viscosities * Available individually or in packs

4.92 out of 5 stars ( 38 )

$51.27

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Manufacturer Rebate

Mobil Delvac Extreme Motor Oil

Mobil Delvac Extreme motor oil is a premium synthetic blend, high-performance diesel engine oil. It helps extend engine life, while providing long drain capability for modern diesel engines operating in extreme conditions. Delvac Extreme is recommended for use in a wide range of heavy-duty applications and operating environments found on- and off-highway, including engines operating under heavy loads. Fully backward compatible, this oil delivers exceptional performance in both newer and older heavy-duty engines. It delivers updated high-temperature performance under the extreme operating environments found in the trucking, mining, construction, and agricultural industries. Accordingly, Mobil Delvac Extreme motor oils meet or exceed the requirements of API CK-4, CJ-4, CI-4 PLUS, CI-4, and CH-4 service categories, as well as key OEM requirements.

4.66 out of 5 stars ( 29 )

$82.76

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DRP Performance Hub Defenders Bearing Spacers

Bearing spacers are used in virtually every application in professional motorsports, and they make the most difference of any low drag hub upgrade. Reduce friction and roll faster with DRP Performance Hub Defenders. These bearing spacers increase wheel speed by over 1,200 percent, allow the bearings to run cooler, and reduce hub maintenance. Simple to install, DRP Hub Defenders have a threaded adjustment, allowing the user to quickly set bearing end play or preload, and a setscrew locks the spacer at the desired adjustment. Once installed, they do not need to be readjusted unless you replace the hub or bearings. Select the Hub Defenders with the proper specs for your application.

Not Yet Reviewed

$52.35

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DRP Performance Premium Low Drag Bearing Kits

DRP Performance offers premium low drag bearing kits for a wide range of applications, including many Ford, Chevy, and Pontiac cars from the 1960s, '70s, '80s, and '90s. Low drag hub components reduce friction and lower temperatures, making your wheels spin easier, delivering more horsepower to the track—all while reducing maintenance and making your race car faster. Enhance your performance on oval track asphalt, oval track dirt, drag racing, road racing, and street applications. Kits include a DPR bearing spacer, DRP Premium Super finished Bearing Kit, and DRP Ultra low drag seal. Here are details on each component: * DRP Bearing Spacer: A difference you can feel—in the pits and on the track. Bearing spacers make the most difference of any low drag hub upgrade. Properly installed, these spacers will provide an immediate increase in hub free spin, an improvement large enough to feel just by pushing the car around. And the benefit doesn't stop there. Bearing spacers make the most difference when a side load (cornering force) is applied. Drivers have commented on how much faster a car with bearing spacers free rolls when entering and through the center of the corner. Bearing spacers simplify and reduce hub maintenance. Spindle nut torque is no longer sensitive. In fact, with spacers installed, you can tighten the spindle nut as much as you want without overtightening the bearings. (DPR recommends 20-40 lbs.-ft.) Bearings will run cooler and do not need to be repacked as often. Bearing spacers are simple to install. DRP bearing spacers have a threaded adjustment, allowing the user to quickly set bearing end play or preload. A set-screw locks the spacer at the desired adjustment. Once installed, they do not need to be readjusted unless you replace the hub or bearings. Bearing spacers are used in virtually every application in professional motorsports. * DRP Premium Super finished Bearing Kit: Reduce bearing temperature by over 100 degrees F verses stock bearings! Increase free spin by over 250 percent! DPR starts with premium quality bearings and puts them through a super finishing process. This process removes the grind marks and greatly smooths the surface of the bearing roller, while leaving a "hatch" pattern to retain grease. Quality wheel bearings will last the life of most racing applications. * DRP Ultra Low Drag Seal: …billet aluminum, full PTFE sealing lip, reusable, great for any application: dirt, asphalt, road race, street Decrease seal drag by over 1,000 percent! Air gap seals create an "air curtain" to keep debris out and eliminate drag completely! DRP Ultra Low Drag hub seals are true, purpose-built, high performance seals. The housing is made from lightweight aluminum. The sealing element is a special PTFE blend, giving it natural low friction qualities. Seals are reusable. Order the kit recommended for your vehicle.

Not Yet Reviewed

$74.15

$88.56

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Monroe Max Air Shock Absorbers

Monroe Max Air shock absorbers are ideal for vehicles that haul heavy loads or tow trailers. They're designed to maintain vehicle height and can be inflated or deflated as needed, from 20 psi to 150 psi with the vehicle loaded. If you're hauling heavy, try Monroe Max Air shock absorbers to get the job done. These adjustable shocks are available for fitment on hundreds of specific vehicle applications. Features: * All-weather fluid that contains special modifiers to ensure smooth rod reaction * Full displaced valving on both the compression and rebound for a comfortable ride * Sintered iron piston that enhances durability for long service life * Lubricated air sleeve that reduces friction and provides smoother operation during suspension movement * Hardened and precision-ground 1/2 in. piston rod for consistent performance * Large-volume air chamber that will hold a maximum of 150 psi

4.36 out of 5 stars ( 291 )

$82.99

$94.99

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Monroe Reflex Monotube Shocks

Monroe Reflex monotube shocks are specifically engineered to provide better handling, control, and performance for light trucks and SUVs. These shocks feature a high-pressure gas charge that separates the shocks' internal oil and nitrogen to provide additional spring rate—helping to maximize damping efficiency and control. To further enhance ride control characteristics, Monroe Reflex monotube shocks include a hydraulic lockout to cushion the impact as the vehicle suspension is fully extended. Order the model designed for fitment on your application.

4.58 out of 5 stars ( 12 )

$53.99

$69.99

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Denso Ignition Coils

Denso developed the auto industry's first compact stick-type ignition coil. The space-saving design of Denso ignition coils requires no high-tension ignition cables, fitting neatly into the engine's spark plug bore. Along with its stick coil technology, other advanced features include micro-sized driver circuits and diagonal inductive windings. That same expertise is put to use on all Denso ignition coils regardless of their configuration. Each Denso ignition coil is designed and optimized for its specific application, then continually improved by Denso's global engineering team. One key to effective combustion in today's low-emission, high-efficiency engines is consistent, high-energy ignition output. Denso direct ignition coils deliver it. Additional features and benefits of Denso ignition coils include: * Integrated driving circuit in the top of the coil * Superior-quality components and materials ensure optimal performance * Tested and inspected to ensure high quality * Diagonal windings eliminate sectioned bobbins, reducing size and weight * Improved coil efficiency lessens the need to generate high voltage * Eliminates phantom misfires * Small in size, light in weight, and easy to install * Provides maximum available voltage under all operating conditions

4.92 out of 5 stars ( 98 )

$50.99

$70.99

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Monroe Load-Adjusting Shock Absorbers

Monroe load-adjusting shock absorbers provide superior comfort for everyday driving and adjust rapidly to changing road and weight conditions. These units include a heavy-gauge calibrated spring for extra control and comfort when hauling or towing. A new pair of Monroe load-adjusting shock absorbers can assist in maintaining ride height with up to 1,100 lbs. of additional weight (capacity limited by each vehicle's suspension, tires, and transmission). They are ideal for light trucks that carry varying loads or tow trailers. Features of Monroe load-adjusting shock absorbers include: * All-weather fluid containing special modifiers to reduce friction and ensure smooth rod reaction * Full-displaced valving is specifically tuned for each application; automatically adjusts for comfort and consistency * Fluon banded piston for consistent sealing with the pressure tube, improved control, and greater durability * Nitrocarburized rod provides long service life * Nitrogen gas-charged design improves ride and handling--helps maintain tire-to-road contact by reducing aeration * Self-lubricating fluid seal designed to retain gas while preventing excessive wear and friction * Innovative valving results in greater control with improved ride comfort

4.77 out of 5 stars ( 150 )

$88.99

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Denso Air Conditioning Condensers

Denso air conditioning condensers are manufactured to integrate seamlessly with OE air conditioning systems. They match up to OE condensers at every benchmark. A variety of condenser styles are offered to provide the best configuration for each application. Premium aluminum construction improves reliability, resisting corrosion to avoid expensive system leaks, while the superior fin wave design offers higher heat transfer and full refrigerant condensation. Heat exchanger cores are specially designed to shed airborne material, for peak efficiency with minimal maintenance and years of trouble-free service. Additional features of Denso air conditioning condensers include: * Denso First Time Fit assures bolt-in replacement; no brackets or adapters * Zinc diffusion layer improves corrosion resistance * Unique fin design to minimize airflow blockage * High performance design reduces the required compressor power * OE-quality for unparalleled performance * Pure aluminum construction for greater durability

3.67 out of 5 stars ( 3 )

$95.99

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Wagner QS Brake Shoes

Wagner QS brake shoes are designed, tested and certified to ensure that your vehicle's braking system will be restored to original equipment performance. These replacement brake shoes are made from organic material and are available in a variety of styles for virtually any vehicle. Install Wagner QS brake shoes with total confidence!

4.8 out of 5 stars ( 5 )

$63.99

$87.99

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Clearance

Wagner Premium Brake Rotors

Wagner Premium brake rotors are full cast iron replacements with a directional disc finish. Offered in vented or solid construction, the rotors feature a patented vane/rib design to reduce brake noise—and the smooth surface means less pad break-in time is required. Premium rotors deliver more effective and safer stopping power due to increased surface area which improves heat dissipation. Each unit receives Wagner's E-Shield rust-resistant coating to prevent corrosion; and a vapor corrosion inhibitor (VCI) bag reduces rotor prep and saves installation time. These rotors are engineered, tested, and certified to perform safely on today's vehicles. Order the front or rear model designed for fitment on your application.

4.76 out of 5 stars ( 33 )

$63.99


$50.99

$95.99

Summit Bucks

Monroe Gas-Magnum Shocks

Monroe Gas-Magnum shocks provide firm control without a harsh ride by using up to twice the fluid capacity of standard 1 in. bore shocks. This all-weather fluid contains special modifiers to reduce friction and ensure smooth rod reaction. The shocks also feature full displaced valving for better range on both the compression and extension cycles, ensuring a comfortable ride. These shocks use a sintered iron piston, which is stronger than traditional metals, to enhance durability for longer service life. Each unit is nitrogen gas-charged for improved ride and handling; reduced aeration helps to maintain tire-to-road contact. Their large 2 in. reserve tube allows for more fluid-producing consistent performance, while their 1 3/8 in. bore offers more lowering pressure than conventional 1 in. bore shocks. Monroe Gas-Magnum shocks are finished off with a 5/8 in. heavy-duty nitrocarburized rod and a special self-lubricating fluid seal to retain gas without excessive wear or friction.

4.66 out of 5 stars ( 119 )

$52.99

$82.99

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MagnaFlow Universal Catalytic Converters

MagnaFlow universal catalytic converters by Car Sound form the basic building blocks for many applications. The main benefit of universal catalytic converters is that one unit may cover a wide variety of vehicle makes and models. Installing universal converters often requires the use of welding, cutting, and tube-bending equipment that is readily available to most professional installers. They are extremely well made, with features such as: * A ribbed body that minimizes expansion and distortion when the converter heats up. They form a channel that protects the cushioning mat from direct exposure to exhaust gasses, and hold the ceramic catalyst in proper alignment. * A 1/2 in. lap joint where the necks meet the body. The neck does not extend into the converter body, where it could hamper exhaust flow. * Manufactured with separate dies on different sized inlets. Putting larger neck sizes on smaller bodies would reduce the flow of the converter and the quality of the product. * A monolithic honeycomb catalyst. The ceramic is designed for maximum flow and surface area. The coating method is strictly controlled to maintain exact specifications. * Seam-welded close to the converter body for a strong, tight bond. Welding along the edge could allow the converter to expand like the folds in an accordion, allowing the catalyst to move around. * Heavier-gauge stainless steel, tip-to-tip. They do not use inferior mixed weights and materials. * An aluminized or stainless OEM-style ribbed heat shield that creates a rigid wall of protection against heat and adds to the structural stability of the converter.

4.62 out of 5 stars ( 188 )

$90.87

$95.31

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Clearance

Monroe Quick-Struts

Monroe Quick-Struts include all of the components required for strut replacement in a single, fully assembled unit. Most kits, where applicable, feature a pre-assembled replacement bearing plate, upper and lower spring isolators, an upper spring seat, a coil spring, a boot kit, and a premium Monroe Sensa-Trac strut. This breakthrough design saves on installation time by eliminating the need to disassemble components and compress the coil spring prior to installation. All Monroe Quick-Struts feature application-engineered valving to optimize each vehicle's unique ride and handling characteristics. Replace your entire strut assembly with one of these Monroe Quick-Struts.

4.62 out of 5 stars ( 199 )

$97.99


$68.50

$79.99

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Monroe Gas-Magnum Severe Service Shocks and Struts

Monroe Gas-Magnum severe service shocks and struts are engineered for emergency vehicles, municipal fleets, and construction uses. These gas-charged, extra-durable shocks and struts feature strengthened components for superior stability and ride control in the toughest applications. Severe service shocks and struts have a larger bore for greater working capacity and arc-welded mounts for higher tensile strength.

5.0 out of 5 stars ( 1 )

$63.99

Summit Bucks

Wagner QS Brake Pads

Wagner QS brake pads are designed and tested to restore like-new braking performance on your vehicle. Featuring Wagner OE25 zero-copper friction formulation, the pads are developed with a 100 percent post-cure process and engineered to ensure even friction performance and consistent braking throughout the life of the pad. Their application-specific design reduces noise-causing vibration. Achieve renewed braking performance with the OE fit and form of Wagner QS brake pads. Premium stainless steel hardware and OE-style lubricant are included in most applications. Select the pads recommended for your vehicle.

5.0 out of 5 stars ( 3 )

$55.99

$91.99

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Manufacturer Rebate

Mobil Delvac 1300 Super Motor Oil

Run your business confidently with Mobil Delvac 1300 Super motor oil—an advanced diesel formula that helps extend engine life. These products meet or exceed OE requirements and deliver high performance in both on- and off-highway applications. Fully backward compatible, they deliver exceptional performance in both newer and older heavy-duty engine designs. Accordingly, it meets or exceeds the requirements of API CK-4, CJ-4, CI-4 PLUS, CI-4, and CH-4 service categories, as well as key factory requirements. Mobil Delvac 1300 Super oils are universal—meaning they may also be used in gasoline engines requiring the API SN specification. This oil is a tailored formulation that delivers excellent wear and engine protection, extended drain capability, plus outstanding high temperature performance and engine cleanliness. Developed in close collaboration with major OEMs, Mobil Delvac 1300 Super is recommended for use in a wide range of heavy-duty applications and operating environments (trucking, mining, construction, agricultural, marine, etc.). Order the weight(s) best suited for your application.

4.83 out of 5 stars ( 12 )

$71.96

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Monroe Reflex Truck Shocks

Monroe Reflex truck shocks feature patented Impact Sensor Technology that combines specially tuned valving and a Fluon banded piston. The valves have the ability to sense acceleration to improve the handling, safety, and overall ride characteristics of sport-utility vehicles, minivans, and light trucks. The base valve will sense a bump in the road and automatically adjust the shock to absorb the impact, leaving the shock with greater control when needed. If you are you looking to replace the factory shocks on your truck, SUV, or minivan, check out Monroe Reflex truck shocks for the ultimate in ride comfort and quality. Features: * Full displaced valving on both the compression and rebound cycles to provide a smooth, comfortable ride * All-weather fluid containing special modifiers to reduce friction and ensure smooth rod reaction * Nitrogen gas charged for improved ride and handling * Large-diameter reserve tube allows more fluid-carrying capacity for a cooler running unit * 1 3/8 in. bore for maximum strength * 5/8 in. heavy-duty piston rod that is nitro-carburized for long service life * Special self-lubricating seal that is designed to retain gas without excessive wear or friction

4.46 out of 5 stars ( 39 )

$51.99

$85.99

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Manufacturer Rebate

Mobil Delvac 1 ESP Motor Oil

Mobil Delvac 1 ESP motor oil is an advanced full synthetic, high-performance diesel engine blend that delivers long drain capability and fuel economy potential—while helping to extend engine life for modern diesel engines operating in severe conditions. It's formulated to deliver exceptional performance in newer and older engine designs, including those with emission control systems. The proprietary formulation meets or exceeds the requirements of OEMs with state-of-the-art technology that provides: outstanding performance at extreme temperatures; best protection for drivers with extended oil drain intervals; and enhanced emission system protection in a variety of severe conditions.

Not Yet Reviewed

$91.77

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Monroe Gas-Magnum 65 Series Shock Absorbers

Monroe Gas-Magnum 65 shock absorbers are the first gas-charged, large-bore shocks specifically designed for air spring and taper leaf suspensions. The nitrogen gas charge provides the fast response essential for today's heavy truck suspension systems. Their extra-large piston bore is engineered to handle the demands of high mileage and severe use. When combined, the gas charge and large-bore offer the consistent control necessary for demanding truck suspensions.

5.0 out of 5 stars ( 2 )

$74.99

$96.99

On Sale

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Mishimoto Oil Cooler Kits

Enthusiasts who push their high performance cars to the limit understand the importance of keeping their oil temperatures low to prevent damage, or even seizure of the engine. Mishimoto oil cooler kits are designed to extend the life of your engine by ensuring that your essential high-wear engine components, such as piston rings, skirts, and cam bearings, are sufficiently lubricated with cooler oil. The kits include a durable aluminum oil cooler, stainless steel braided hose lines, fittings, and all necessary adapters. Models are also available to cool transmission oil/fluid. Order the universal or vehicle-specific cooler that's best suited for your application.

4.59 out of 5 stars ( 49 )

$76.95

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Monroe Strut-Mate Mounting Kits

Monroe Strut-Mate mounting kits are direct replacements designed to complement the ride control characteristics of Monroe struts. They use an internal bearing for long life. Monroe Strut-Mate mounting kits attach to your existing OEM holes and allow the strut to pass through the center of the bearing for top mounting. Not only are these kits a necessary component of the suspension system, but they can also prevent noise, steering binding, vibration and vehicle pull.

3.64 out of 5 stars ( 14 )

$67.99

$78.99

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Monroe Magnum Steering Stabilizers

These Monroe Magnum steering stabilizers are designed to help stop vibration before it gets to the driver at the steering wheel. They will increase control under all driving conditions by reducing steering shimmy. The stabilizers are ideally suited to trucks, vans, and 4WD vehicles.

4.36 out of 5 stars ( 42 )

$60.99