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GMC SIERRA 2500 Parts and Accessories

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ACDelco GM Genuine Parts Knock Sensors

ACDelco GM Genuine Parts knock sensors are the GM recommended replacement for the vehicles original component. They monitor the engine for pinging or spark knock. The sensors create a voltage signal based on the vibrations caused by erratic air/fuel mixture combustion. The engine control module then uses that signal to adjust the ignition timing and air/fuel mixture. These GM Genuine Parts knock sensors have been manufactured to fit your GM vehicle, providing you with the same performance, durability, and service life you have come to expect from General Motors.

4.68 out of 5 stars ( 111 )

$60.99

King XP-Series Rod Bearings

King XP-Series rod bearings feature advanced metallurgical and geometric technologies that meet extreme performance loads. They were developed for all performance applications that use forged steel aftermarket crankshafts and produce high loads for extended periods. King focuses on one product—bearings—and nothing else. Their innovative race-only Xtreme Performance Max Black Tri-Metal rod bearings have a 24 percent stronger overlay and 17 percent more fatigue strength by using a micro process called SecureBond. Built with enhanced tri-metal, King XP-Series rod bearings layer copper-lead construction with a nickel plate barrier and a 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—at an amazing +/- .0001 in.! XP-Series rod bearings are narrowed on the crank cheek side with increased crush height for improved bearing-to-bore contact, heat transfer, and reduced spin potential in high-rpm applications.

4.53 out of 5 stars ( 73 )

$69.99

$96.99

ACDelco GM Genuine Parts Oil Pan Gaskets

ACDelco GM Genuine Parts oil pan gaskets are genuine parts that will provide the same performance, durability, and service life as the factory originals. Choosing the best quality to maintain your GM vehicle is easy--ACDelco GM Genuine Parts has the right fit, function, and form for confident, hassle-free service.

5.0 out of 5 stars ( 4 )

$51.99

Melling Oil Pumps

Why waste time installing an old, worn-out oil pump when you can get a brand new Melling replacement oil pump at such a low cost. They're manufactured from a variety of high-quality materials with all-new components—and are individually hand-turned and pressure-tested to guarantee that they'll perform as well as OEM. These pumps are available in various styles, pressures, and volumes (some include an oil pickup). Find the model designed for fitment with your vehicle and engine.

4.57 out of 5 stars ( 329 )

$72.99

ACDelco Engine Oil Pressure Indicator Switches

ACDelco engine oil pressure indicator switches are quality replacement parts you can feel good about installing. They offer the fit, form, and function—along with value—you expect and want. ACDelco has a wide selection of components to optimize your GM vehicle's performance, as well as products to cover many other makes and models. Order the ACDelco oil pressure safety switch designed for your specific vehicle.

4.38 out of 5 stars ( 29 )

$50.99

Hayden Rapid-Cool Transmission Oil Coolers

Hayden Rapid-Cool transmission oil coolers take the heat, so your vehicle won't! Over 14-million transmissions fail every year, and 9 out of 10 are from overheating. Rapid-Cool's unique plate and fin design combines cooling expertise and space efficiency; multiple sizes are available. Their patented internal turbulation provides better heat transfer. Lower your operating temps with a pioneer in cooling: Hayden!

4.7 out of 5 stars ( 166 )

$53.99

$62.99

Dorman Rear Main Seal Covers

Use Dorman engine rear main seal covers to ensure the proper sealing of your engine, to stop and/or prevent engine oil leakage. They are made from high-quality materials and are available as direct replacements for a proper fit on various makes and models. Whatever your repair needs, Dorman has just what you're after!

3.6 out of 5 stars ( 10 )

$51.78

King HP-Series Rod Bearings

King HP-Series rod bearings were developed mainly for drag race applications needing a material harder than the Babbitt top layer. These applications demanded a structure that could withstand high loads for short durations and still offer higher embeddability and compatibility. In response, King developed the HP-Series, featuring the Alecular metal structure. The HP-Series is also suited for many performance applications with nodular cast iron crankshafts, such as street, strip, and some levels of Circle Track racing. Order the set recommended for your vehicle. HP-Series bearings are particularly suitable for the following cases: * When a tri-metal bearing's Babbitt overlay extrudes over the sides, migrates to one end, or is physically removed by the crankshaft * When the intermediate layer of a tri-metal bearing is exposed, damaging the crank journal and requiring expensive grinding or replacement * When contaminants enter the oil stream, scratching and damaging the crankshaft journals

4.67 out of 5 stars ( 36 )

$61.99

$95.99

Hastings Premium Ductile Ring Sets

Whether it's a car, truck, motorcycle, marine, or performance racing application—properly sealing the piston to the engine block is a requirement. Hastings premium ductile ring sets do just that, and they're offered in many different options to fit virtually any piston. If the engine you're working on is blowing smoke, using excessive oil, or at a loss for power, it may be time for new rings. These premium ductile piston ring sets are great for rebuilds or new builds, daily drivers or performance vehicles. Order the sizes needed for your project.

4.51 out of 5 stars ( 154 )

$62.99

$86.99

Summit Racing™ Street / Strip Series 8mm 300 Ohm Ignition Wires

With Summit Racing™ branded, all-100 percent silicone 8mm constructed wire, a 300 ohm per foot wire-wound EMI suppression core, high-heat silicone boots, and stainless steel and brass terminals, you get all the high-end features a wire set can offer, without breaking the bank! - Dual silicone high tear-resistant jacketing with fiberglass matting gives you the highest heat protection and superior terminal pull-off values in the business - Our 300 ohm per foot wire-wound magnetic suppression core maximizes the voltage output of your ignition system, while maintaining high EMI resistance values - Stainless steel terminals with posi-lock hardened clips and brass terminals are used for superior connection and consistent voltage delivery - Ultra-high heat silicone spark plug boots provide superior radiant heat protection - High dielectric strength properties virtually eliminate voltage leakage and blow through Installing our Summit Racing™ high-end 8mm sets will give you the confidence, reliability, and performance you expect from Summit Racing™ products.

4.51 out of 5 stars ( 1031 )

$59.99

$81.99

TCI Filler Tubes and Dipsticks

TCI introduces a fresh line of quality filler tubes. Applications for the most popular Ford, GM, and Chrysler transmissions are available. Most of the dipsticks feature a locking stick that satisfies sanctioning bodies' racing rules. The rubber boot seal is a vast improvement over the small O-ring typically used on older OEM tube designs.

4.32 out of 5 stars ( 189 )

$65.95

ACDelco Ignition Coils

Failure or poor performance from a coil can result in a misfire, a rough-running, hard-starting engine, and excessive emissions. ACDelco ignition coils provide the performance needed to help keep vehicles running the way that they were designed. These coils have corrosion-protected laminations to guard them from the harsh operating environment. Primary and secondary coil windings often feature molded plastic protection. Order the replacement model designed for your vehicle and engine application.

4.68 out of 5 stars ( 34 )

$53.99

$87.99

Chevrolet Performance Replacement Timing Chains

Replace your timing chain with a new one from Chevrolet Performance. Designed specifically for your engine, many applications are available.

5.0 out of 5 stars ( 1 )

$74.99

ACL Performance Race Series Rod Bearing Sets

ACL Performance offers Race Series rod bearing sets for a wide range of vehicles. These high performance tri-metal engine bearings are designed to withstand higher RPM conditions. They feature a high-strength overlay plate with reduced thickness for improved fatigue properties. Select the crankshaft undersize and quantity recommended for your year/make and engine application. Additional details: * Hardened steel backs on all rod bearings to improve the support of the bearing lining and assist with bearing retention in the housing. * Increased crush for improved bearing retention * Elimination of flash plating on the back of the bearings to improve heat transfer through the bearings and to maximize the grip between the bearings and its housing * Increased eccentricity to compensate for bore distortion at high RPM and to assist in the formation of hydrodynamic oil films * 3/4 in. grooved main bearings to optimize bearing load carrying surface area and oil flow to the conrod bearings * Tight consistent wall tolerances to help you maintain consistent clearances * Enlarged ID chamfers on bearing edges (where required) to accommodate large fillet radius on performance crankshafts

4.78 out of 5 stars ( 9 )

$74.99

$94.99

Melling Timing Chain Sets

Melling timing chain sets are designed for use with either performance or stock cams. They have a solid-bushing chain for a true bearing surface that rolls with the sprockets, eliminating chain stretch. The crank gears are machined from stress-proof steel. Most Melling timing chain sets have three keyways to ensure accurate timing for early or late model vehicles, and to allow you to set the cam timing at 4 degrees advanced, 4 degrees retarded, or stock. However, 50-state (stock replacement) sets have single keyways. The chains are available in several styles, such as single or double roller, single non-roller, and link belt. Melling timing chain sets are not for use above 6,500 rpm. Order the model designed for your vehicle application.

4.23 out of 5 stars ( 142 )

$52.99

$77.99

ACDelco GM Genuine Parts Flexplates

ACDelco GM Genuine Parts flexplates are designed, engineered, and tested to rigorous standards and backed by General Motors. They're true OE parts that will replace your originals with the same fit and performance, and are updated to integrate new materials and technologies. Order the flexplate model recommended for your vehicle.

5.0 out of 5 stars ( 9 )

$93.99

Mahle Original Premium Piston Ring Sets

Mahle Original piston ring sets are designed to be installer-friendly. They are pre-lapped to seat immediately, virtually eliminating break-in time. Ring materials and coatings, as well as ring tension, are all optimized for reduced friction and extended life in each application. The compression rings feature a barrel-faced contact area for more efficient compression and CNC-controlled gap chamfer to optimize compression and reduce blow-by. Intermediate rings have a reverse twist design for better groove side sealing, and taper race machining to enhance contact. The CP-20 oil ring assemblies feature a 20 degree ear angle, an exclusive feature that provides the best possible side seal against the cylinder wall, and a special chemical polish on the oil ring expander offers enhanced oil drain back. Mahle Original piston ring sets provide unmatched quality and ease of installation, making them the rings of choice for today's engine builders.

4.75 out of 5 stars ( 57 )

$54.99

$89.99

ACDelco Rear Main Seal Housings

ACDelco offers rear main seal housings for a wide range of year/make and engine applications. The one-piece aluminum replacements are designed, engineered, tested, and backed by General Motors. They are validated OE parts for specific Chevrolet, Buick, GMC, and Cadillac vehicles. These components are designed to give the engine oil leak protection from between the crankshaft output flange and the engine block. Order the engine crankshaft seal housing recommended for your ride.

4.2 out of 5 stars ( 10 )

$67.99

Chevrolet Performance Knock Sensor Wiring Harnesses

Engine knock is one of the most unwelcome problems to plague a vehicle. When your ignition timing becomes faulty, the results are felt unless corrected through a sensor. Chevrolet Performance knock sensor wiring harnesses should be used when replacing those key sensors, providing fresh OEM wiring and grommets. The harness units are available for over a hundred submodels from makers such as Chevrolet, GMC, Cadillac, Pontiac, Buick, and Hummer.

4.76 out of 5 stars ( 33 )

$64.99

Dorman Knock Sensor Kits

Is your check engine light on and vehicle running rough? Could be a failed knock sensor. Dorman knock sensor kits combine the necessary sensor and wiring harness that joins them for a complete repair in one package. Features include: * Plug-and-play installation--matches original wiring harness, requiring no cutting or splicing * Quality assured--benchmarked against original components for performance and quality * Excellent value--original equipment quality at significant cost savings

3.24 out of 5 stars ( 21 )

$61.99

Summit Racing™ High-Output Ignition Coils

Our Summit™ high-output ignition coils give you additional volts of spark energy in a simple, direct replacement package. These coils mount in the stock location with no special mounting needed, but have a lower primary resistance, higher rpm capability, and greater output than stock. They're available in a variety of styles, both universal and application-specific, and can be ordered individually or in sets.

4.5 out of 5 stars ( 377 )

$54.99

Sealed Power MA Series Main Bearings

These Sealed Power MA Series main bearings can actually polish the journals on your crankshaft. That's because there's a small percentage of silicon mixed in with the aluminum and tin that make up the bearing-surface alloy. The silicon is there for wear resistance, but its toughness actually smoothes the journals of a crank whose surface hasn't been optimized! This special surface alloy is laid over a high-strength 1010 steel backing and delivers improved seizure and corrosion resistance, as well as better control of wall variance. It also helps to minimize debris embedding, which can score the crank's surface.

4.3 out of 5 stars ( 76 )

$93.99

Bilstein B6 4600 Series Shocks and Struts

Bilstein B6 4600 Series shocks and struts are designed to help your truck, van, or SUV reach its pinnacle in performance and handling, while still providing a comfortable, stable ride. Compared to conventional alternatives, these suspension parts offer superior control—using patented designs and dampening technology developed and tested in the real world. Order the model best suited for fitment on your vehicle.

4.84 out of 5 stars ( 1447 )

$92.00

Mahle Original Cylinder Head Gaskets

Mahle Original offers a choice of cylinder head gaskets to fit your project with the most effective, leak-free seal. Because vehicles and performance levels are as different as the people who drive them, a head gasket that works for you may not work for another. Mahle Original knows this. Their list of head gasket materials includes multi-layered steel, Solicor, VR-2000, Nitroseal, and VR500. Each does their job differently, but you can rest assured that the sealing job they do will be effective and efficient. Positive sealing is available with Mahle Original cylinder head gaskets. Order the style designed for fitment with your vehicle and engine application.

4.26 out of 5 stars ( 46 )

$51.99