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HUMMER Parts and Accessories

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Results 1 - 24 of 548

Melling Performance Oil Pumps

Melling's years of experience are apparent in these Performance oil pumps. They boast a CNC-machined body and cover and hardened steel gears that are up to 25 percent longer, providing additional flow to performance engines with wider bearing clearances. Their drive and idler shafts have been extended into the cover to provide additional support and eliminate dynamic shaft deflection.

4.65 out of 5 stars ( 192 )

$119.99

$191.99

Summit Racing™ Bracket Racer SFI Harmonic Dampers

You don't have to sacrifice safety or quality to save money; our affordable Summit Racing™ bracket racer SFI dampers have been spin-tested to 12,500 rpm and carry an SFI-18.1 rating. The carbon steel dampers have an injection-molded and bonded elastomer, easy-to-read engraved timing marks, removable counterweights (where applicable), and a highly polished baked-enamel finish, so they look as good as they perform.

4.57 out of 5 stars ( 390 )

$228.99

Melling High-Volume Oil Pumps

Melling high-volume oil pumps give you an additional 20 to 25 percent of much-needed oil volume for your performance application. For those of you who need added pressure, many pumps are supplied with a high-pressure spring (where noted). The pumps are built using a proprietary casting process, which yields maximum performance and reliability. Every Melling oil pump is completely pressure-tested, including idle and bypass pressure, before it leaves the factory. Dozens of models are available for fitment; order the pump and options needed for your vehicle.

4.63 out of 5 stars ( 355 )

$149.99

$202.99

Clevite H-Series Main Bearings

Clevite H-Series main bearings were developed primarily for NASCAR racing, but are well suited to other types of competition engines as well. They're especially good for engines that run at medium-to-high revs. They have steel backings with carefully selected overlays and a high crush factor, plus a medium level of eccentricity. H-Series bearings have enlarged chamfers at the sides for greater crank-fillet clearance and are made without flash plating for better seating. They are also available with either 180 degree or 360 degree oil grooves, as well as an extra 0.001 in. of clearance.

4.67 out of 5 stars ( 136 )

$123.99

$152.99

On Sale

DiabloSport PredatorX Tuners

DiabloSport PredatorX tuners deliver the latest in tuning technology, allowing you to take control of your tuning needs from your smartphone. The iOS/Android compatible apps pair with the PredatorX dongle to give you complete tuning access from your pocket. The OBDII dongle can stay connected to the vehicle full time, so you're always just seconds away from being able to make tuning changes. The tuners are preloaded with power adding tunes for multiple octane levels, as well as transmission tunes for applications where they are needed. For those seeking more than the provided tunes offer, there is a plethora of end user based parameters that can be adjusted. Speed limiter, tire size, timing and fueling at wide-open-throttle, rev limiters, idle speed and so much more can be adjusted through the PredatorX. Features: iOS and Android support Tune from your smartphone! Preloaded with Performance tunes Trucks get tunes for 87 octane and Premium fuel Performance cars get tunes for 91 and 93 octane fuel TCM tunes are included End user adjustable parameters Disable AFM! Calibrate Speedometer for Taller Tires Set axle ratio if you've swapped gears Remove Speed Limiter Adjust Idle Speed Raise Rev Limiters Live data monitoring Read/Clear Diagnostic Trouble Codes (DTCs) Adjust options like idle, speed limiters, rev limiters, tire size, gear ratios and more. Support for 07-18 GM gas trucks and SUVs, 05-19 Corvette, and 10-24 Camaro V8, and more!

3.86 out of 5 stars ( 14 )

$295.95


$266.35

Lares New Power Steering Pumps

Lares new (not remanufactured) power steering pumps are engineered to OE specifications to ensure proper fit, form, and function. They're manufactured from the same high-quality materials as your original components to provide long-lasting performance. Over a hundred models are available, with or without an included reservoir, for vehicle and engine applications from 1960 and up. Order the replacement pump recommended for your ride.

3.91 out of 5 stars ( 139 )

$105.99

$167.99

Summit Racing™ Ceramic Ignition Wire Sets

If you're running headers with close tolerances or have an engine bay with little room, Summit Racing™ ceramic ignition wire sets are the cure for burnt and melting boots. Their ceramic coating acts as a heat mirror, reflecting infrared energy and heat away from the plug boot—and it's engineered to resist flaking and peeling. The 8mm spiral core silicone wires deliver maximum energy to the spark plugs with built-in RFI suppression for your street-driven vehicle. These affordably priced wire sets are true performance upgrade replacements for OE types. They're available (assembled or non-assembled) with different terminal and boot ends for fitment on a range of vehicle applications.

4.39 out of 5 stars ( 90 )

$127.99

$134.99

On Sale

MSD 8.5mm Super Conductor Spark Plug Wire Sets

MSD 8.5mm Super Conductor spark plug wire sets feature a special helically wound core that has just 40-50 ohms of resistance per foot—but with an RFI suppression equal to a 1,500 ohm wire. In fact, each foot of finished wire includes 40 ft. of tightly wound copper for superior conductivity. This winding procedure, combined with a ferro-magnetic impregnated center core, produces an extremely effective Electro Magnetic Interference "choke." This choke, or suppression capability, keeps the EMI inside the wire where it cannot interfere with other electronics on your vehicle. A tough, 8.5mm synthetic/silicone jacket over an extra-heavy glass braid and dielectric insulator keeps the current guided to the plugs. Underneath the high-temperature boots, dual crimp stainless steel terminals feature snap-locks to ensure a secure fit. Each set comes with clip-on cylinder markers for easy identification. MSD's 8.5mm Super Conductor wire sets are available in custom or universal-fit applications, assembled or not, with a variety of terminal and boot end options.

4.65 out of 5 stars ( 1973 )

$118.95


$107.05

Summit Bucks

ACDelco Mechanical Water Pumps

ACDelco mechanical pumps are ideal replacement components for many vehicles on the road today. They're manufactured to meet and exceed OE specifications for fit and performance. The pumps are available in many styles, materials, and other options. Order the model recommended for your application. Features and benefits include: * Available for practically all GM vehicles as well as a wide range of non-GM vehicles * Completely pressure-tested for reliable, leak-free performance * Coated seals support seal longevity and durability * Heat-treated shaft assemblies and impellers provide superior strength and durability * High-quality bearings are permanently sealed and lubricated for greater durability and long life * Uniform wall sections and smooth coolant-flow cavities for efficient operation * Cast iron, aluminum, or steel design, depending on vehicle

4.7 out of 5 stars ( 447 )

$122.99

$167.99

On Sale

ACCEL Extreme 9000 Ceramic Spark Plug Wire Sets

ACCEL Extreme 9000 ceramic wires are the cure for burnt spark plug boots. These wires provide excellent energy delivery while providing the highest level of RFI/EMI suppression. They're ideal for custom engines, boats, and RVs—plus great trackside accessories when you need to make up a replacement wire. ACCEL Extreme 9000 ceramic spark plug wire sets are available straight or in right-angle configurations. Order the set recommended for your vehicle and engine application. More product features include: * Finished with stainless steel spark plug terminals and ceramic spark plug boots * Each wire features ultra-high temperature double silicone wire rated at 600 degrees F * Ferro-Spiral core wire developed for performance use * Capable of withstanding up to 2,000 degrees F

4.43 out of 5 stars ( 464 )

$160.95

$189.95


$144.85

$170.95

King XP-Series Main Bearings

Built with enhanced tri-metal, King XP-Series main bearings have a layered copper lead construction, with a nickel plate barrier and lead/tin/copper Babbitt overlay over a steel backing--in an adhesion process that provides superior stability and durability. King's advanced control measures hit a bull's-eye, maintaining wall thickness tolerances far tighter than their competitors: an amazing +/- .0001 in. The XP-Series main bearings are narrowed for large radii crankshafts and feature enlarged, chamfered oil holes with full, 3/4 in., or 1/2 in. grooving for improved oiling. They deliver consistent and reliable performance with a high-load capacity. These race-only Xtreme Performance (XP-Series) Tri-Lecular main bearings are proven track-tough to handle the ground-shaking power of your race engine. Hundreds of sets are available; order the bearings recommended for your vehicle.

4.42 out of 5 stars ( 43 )

$111.99

$186.99

Lokar Midnight Series Flexible Braided Stainless Transmission Dipsticks

Lokar's Midnight Series flexible braided stainless transmission dipsticks feature a heat-resistant PTFE rod with a black braided stainless steel cover. The flexible inner rod is stamped with appropriate trans-fluid levels, and the outer housing has a slim design that allows for mounting them inside of the headers. They're available in both firewall-mount and trans-mount styles, and a funnel adapter is included for assistance with filling. Order the length recommended for your transmission application.

4.65 out of 5 stars ( 80 )

$151.95

$176.95

Chevrolet Performance Engine Valley Covers

These Chevrolet Performance engine valley covers are made of aluminum. They can be used for Chevrolet Performance SB2.2, Spider-type, intake manifolds, runners, or race applications.

4.81 out of 5 stars ( 47 )

$209.99

PowerStop Performance Powdercoated Brake Calipers

PowerStop is on a mission to deliver an easy and affordable way for any driver to upgrade their brakes--no matter where or how they use their vehicle. PowerStop Performance powdercoated brake calipers are made specifically with the enthusiast in mind. They bolt directly in place of the stock calipers, and they look and perform great behind stock or custom wheels. PowerStop calipers and the brackets are treated with an electrostatic high-temperature powdercoating. The easy-to-clean powdercoating helps to resist rust and corrosion, thus extending their life. They are 100 percent pressure-tested to verify piston operation and prevent any possible leaks from occurring, ensuring that every caliper is inspected for quality and safety. Calipers are expertly assembled using new pistons, seals, slide pins (where applicable), dust boots, bleeder screws, and stainless-steel brake pad abutment clips. High-temperature EPDM rubber dust boots and premium silicone lubricant are used for a smoother operation and an extended life in extreme conditions.

4.17 out of 5 stars ( 739 )

$244.99

$267.99

Dragon Fire Performance Ignition Coils

Dragon Fire offers Performance ignition coils for a wide range of cars and trucks—including Chevrolet, GMC, Buick, Cadillac, Hummer, Isuzu, Pontiac, and Saab models from the early 2000s and up. These replacements are engineered to provide reliable spark energy and complete combustion. Their watertight, weatherproof connectors are designed using advance thermoresistant plastic to resist fracture and cracking from radiant heat and thermal cycling. The coils are tested to meet or exceed OE output voltage. High-temp epoxy filled construction prevents voltage leaks and RFI interference. Each unit also includes performance-grade primary and secondary bobbins with premium copper windings to ensure peak performance under load and extended service life. Order the coil packs recommended for your vehicle. FEATURES AND SPECS: * Direct OEM replacement * High-energy output * High-RPM Rated for NA or boosted applications * Brass high-tension terminals * Manufactured in ISO9001:2015 and ISO/TS 16949:2009 certified facilities under strict quality control to ensure long service life and perfect fitment

4.5 out of 5 stars ( 16 )

$229.95

$249.95

Bilstein B8 5100 Series Shocks

Bilstein B8 5100 Series shocks feature a monotube design for cooler, more efficient operation and longer life. They have the largest available piston diameter, providing superior handling and performance. The shocks' patented digressive valving instantly reacts to changing surface conditions for maximum comfort and control—on and off the road. These shocks also have split compression and rebound valving tuned for each specific application. Order the model designed for your year/make/model. Additional features: * 2 in. seamless extruded tube * 14mm centerless-ground, case-hardened, chromed, and super-polished rod * 46mm Bilstein digressive piston * Self-adjusting, deflective-disc independent rebound and compression

4.88 out of 5 stars ( 1406 )

$102.99

$146.99

Summit Racing™ Plastic/Aluminum Radiators

A Summit Racing™ plastic/aluminum radiator gives your engine bay the current cooling update it needs. These units are designed for premium performance, while fitting your vehicle's original mounts, so your ride can have a new radiator without modifications to the brackets and fittings. The radiators are available in various sizes and styles to fit your application. Efficient and economical, Summit Racing™ replacement radiators are an excellent option to restore the cooling performance your vehicle requires.

4.49 out of 5 stars ( 83 )

$196.99

$216.99

Optima RedTop Starting 12-Volt Batteries

Optima RedTop Starting 12-volt batteries are the ultimate power source for cars, trucks, SUVs, hot rods, and other high-performance vehicles. They're engineered with unique Spiralcell technology, delivering a stronger burst of ignition power, while extending the battery life up to three times longer than conventional models. Maintenance-free RedTop AGM batteries are sealed, leak-proof, and resistant to vibrations—so you can mount them anywhere and in virtually any position on your vehicle. Order the Optima battery designed for your application, and expect a perfect start every time.

4.81 out of 5 stars ( 1525 )

$249.99

Motive Gear Ring and Pinion Sets

Motive Gear is the leading manufacturer of driveline products for just about any vehicle, whether it is a stock daily driver or a full-competition 4x4 or race car. They are proud to offer an unmatched selection of quality components engineered and manufactured for the vehicle and for the way it is driven. Motive Gear ring and pinion sets are engineered to meet or exceed OEM specifications at a price that won't break your budget. Their broad selection of ring and pinion ratios is available for just about every vehicle made from the 1940s through the present. All Motive Gear products meet strict quality standards through advanced manufacturing techniques and are backed by their strong warranty. Their in-house quality control lab utilizes state-of-the-art equipment to continuously check Motive Gear products for strength, tolerance, and hardness. Only after meeting stringent quality standards are Motive Gear products packaged and ready for delivery.

4.44 out of 5 stars ( 283 )

$161.99

$496.96

Summit Bucks

ACDelco Alternators

Losing power? ACDelco alternators can power up your vehicle's electrical systems and charge the battery while the engine's running. They're direct replacements for your factory originals and are manufactured using ISO quality standards. With 100 percent new components and engineering enhancements, they provide improved performance, efficiency, and service life for your vehicle. Almost like your originals, but just a little bit better--ACDelco alternators. Order the model designed for your vehicle application.

4.39 out of 5 stars ( 162 )

$142.99

$226.99

Vision HD 84 D Window Series Black Wheels

Vision HD 84 D Window Series wheels give you the classic combination of strength, light weight, and attitude--at nice prices! Gloss black painted, they are available in several sizes and bolt patterns.

4.31 out of 5 stars ( 151 )

$106.99

Delphi Mass Airflow Sensors

Delphi mass airflow sensors are the OE parts that your vehicle should have come with! Their MAF sensors are new, not remanufactured, and feature fast response for outstanding performance over a wide range of ambient temperatures. Delphi mass airflow sensors are engineered to provide your ECM with continuous, precise information to ensure optimal performance, fuel economy, and reduced emissions. Give your vehicle new life--replace worn OE parts with Delphi mass airflow sensors.

4.68 out of 5 stars ( 100 )

$129.99

Mickey Thompson Classic III Polished Wheels

An update of a retro style, Mickey Thompson Classic III wheels are designed for your rig, trailer, and toy hauler. These beautifully polished wheels offer a high load rating and a greater number of fitments to dress up your ride. Classic III wheels feature a concave profile, 8-hole design with a smooth outer lip, and a non-corrosive, screw-on center cap. They're finished with a deeply embossed Mickey Thompson logo for added appeal. More style, more sizes, more load—Classic III wheels are oldies but goodies made better by Mickey Thompson.

4.69 out of 5 stars ( 52 )

$271.99

Summit Racing™ OE Replacement Alternators

Summit Racing™ offers OE replacement alternators for a wide range of vehicles from 1995 and up. They're designed to fit in the factory location and install easily without any modifications. The alternators are manufactured from high-quality materials that meet or exceed the factory specifications. Available for passenger cars, trucks, SUVs, and vans, these stock-style alternators will eliminate your battery charging problems for good. Order the model recommended for your application.

4.38 out of 5 stars ( 32 )

$186.99

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