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2003 GMC SIERRA 1500 Parts and Accessories
Showing In Stock Items. Show All 63 Items.
Summit Bucks
DeatschWerks Fuel Injectors
DeatschWerks fuels your passion for performance with fuel injectors specifically designed and engineered for your Sport Compact, Modern Muscle, and European vehicles. DeatschWerks fuel injectors are manufactured to fit your OE harness, fuel rail, and manifold. Because they are application-specific, you'll spend less time installing and tuning, so you can spend more time enjoying the increased performance of your ride! They provide an excellent spray pattern and atomization for optimized idle and tuning. Each set is flow-matched both statically and dynamically, and flow-balanced to within one to two percent. A flow report is included with each set of DeatschWerks fuel injectors.
( 71 )
$449.00
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$1,689.00
Summit Bucks
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.
( 104 )
$119.99
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Delphi Camshaft Position Sensors
These Delphi camshaft position sensors feature a digital output design for maximum signal to noise ratio. They are not impacted by temperature changes and provide long-lasting sensor protection. These Delphi camshaft position sensors are also manufactured to meet or exceed OE requirements to ensure quality and long-lasting durability.
( 14 )
$27.99
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$37.99
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Delphi Idle Air Control Valves
Add Delphi fuel injection idle air control valves to control the airflow into your engine. Delphi OE replacement valves provide a superior fit and finish that result in an easier installation for you. Their idle air control valves meet federal emissions regulations, increase your fuel efficiency, and eliminate the potential for malfunctions. Get control over the amount of air allowed to flow into your engine, and your engine idle speed, in a variety of load conditions when you replace your air control valves with Delphi fuel injection idle air control valves.
( 36 )
$90.99
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$108.99
Summit Bucks
Delphi Engine Crankshaft Position Sensors
Delphi engine crankshaft position sensors exceed OE requirements and undergo certified electrical testing. They feature enhanced sensing functionality that delivers reduced emission, improved reliability, and superior drivability. Delphi engine crankshaft position sensors are not impacted by temperature changes and provide robust, long-lasting sensor protection. Choose Delphi for the OE replacement parts that your car was born with.
( 16 )
$63.99
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$75.99
Summit Bucks
Delphi Fuel Injectors
Delphi fuel injectors are engineered with an accurate, controlled spray pattern that reduces emissions and improves cold-start capabilities. These replacement injectors have a recessed fuel exit and no internal seal rings—in order to minimize leakage and possible puddling. Delphi fuel injectors are durable, dependable, and offered for a wide variety of applications. Order the OEM stock replacements designed for your vehicle.
( 10 )
$99.99
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Dynomax Ultra Flo Welded Round Mufflers
Dynomax Ultra Flo Welded round mufflers are comprised of quality materials and construction to provide you with dyno-proven flow up to 2,000 SCFM and the ability to support up to 2,000 hp. Choose the "Pure Unadulterated Power" of Dynomax Ultra Flo Welded round mufflers. Features and benefits include: * Stainless steel construction for lifelong protection * 100 percent welded for maximum durability * Straight-through design ensures unrestricted exhaust flow and reduced back pressure * Exclusive CRF (Continuous Roving Fiberglass) Technology absorbs unwanted interior resonance, while maintaining a deep performance tone * Most of these models are universal; inlet/outlet diameters and location needed for your vehicle
( 68 )
$89.99
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DeatschWerks DW400 In-Tank Electric Fuel Pump Modules
DeatschWerks have taken their DW400 electric fuel pump and turned it into an in-tank drop-in module. These modules feature a fuel pump that flows 415 lph and uses an impeller made of a lightweight composite that's impervious to fuels like E85 and race fuel. DeatschWerks DW400 in-tank electric fuel pump modules are available for a variety of applications.
( 9 )
$589.00
Summit Bucks
Delphi Ignition Coils
Delphi ignition coils will definitely spark a response! Precise spark timing offers increased fuel economy and faster crank-to-run. These coils provide accurate electrical energy to create a voltage potential at the spark plug—and that provides you with superior engine performance, better control over emissions, and fuel economy. You'll get the OE performance, durability, and electromagnetic capacity level that your vehicle requires with Delphi ignition coils. Order the model designed for your vehicle application.
( 83 )
$32.99
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$45.99
Summit Bucks
Timbren Suspension Enhancement Systems
Timbren Suspension Enhancement Systems resolve your suspension problems. Timbren SES kits will improve your load-handling, make it easier to haul heavy loads, and eliminate sag and sway. They're easy to install and maintain! Simply bolt on the kit—no drilling, no air lines to route—and you're ready to roll with high performance and peace of mind. The patented Aeon hollow rubber springs cushion and absorb road shocks and automatically adjust to uneven loads and road conditions. You'll enjoy improved roll stability and reduced sway, unlike with the mediocre trailer suspensions and softer ride quality of today's trucks and trailers. Your truck, van, and SUV are designed for best performance under ideal road and load conditions—but in the real world, to tackle the imperfect, you need a Timbren Suspension Enhancement System. Order the kit designed to fit your year, make, and model application.
( 191 )
$269.36
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Russell Street Legal Brake Line Kits
Russell street legal brake line kits will improve your braking performance for competition or everyday driving. Replacing spongy or brittle factory rubber brake lines with Russell hoses will reduce hose expansion for firmer, more responsive braking. These kits feature stainless steel braised hose with zinc-plated fittings—and are factory assembled for convenient bolt-on installation. The components meet strict DOT requirements for street-driven vehicles. Russell brake line kits are available for a wide range of specific domestic, import, truck, and SUV applications.
( 495 )
$179.95
Summit Bucks
Delphi Ignition Knock Sensors
Delphi ignition knock sensors maximize your engine's performance--regardless of fuel quality! Their knock sensors hear various knock frequencies under many operating conditions to detect shifts and provide an accurate signal to your engine control module. The sensors meet or exceed OE requirements and reduce potential damage to your internal engine components. Knock, knock-- who's there? Engine. Engine who? Engine gonna buy me a Delphi ignition knock sensor? Listen to your engine--choose Delphi.
( 31 )
$48.99
Summit Bucks
Dynomax Super Turbo Mufflers
Dyno tests prove it—Dynomax's Super Turbo mufflers are the closest you can get to running an open pipe, but a lot quieter. To make things even better, Super Turbos have more features than most other mufflers put together: less backpressure for improved quarter-mile times; durable construction for long life and good looks; patented flow directors that channel exhaust for maximum performance; and fiberglass matting for a deep, throaty, powerful performance tone. The mufflers are available in a variety of configurations; inlet/outlet quantities, sizes and locations; both universal and vehicle-specific applications. They are offered in stainless steel or aluminized steel construction.
( 505 )
$76.99
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$191.99
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Delphi Fuel Pump Module Assemblies
Delphi fuel pump module assemblies are nickel plated with all-steel internal components. They feature internal guide rod springs and external rubber feet for enhanced stability and reduced noise from vibration. These fuel pumps have little flow or pressure variation in hot fuel situations. Delphi fuel pump modules are designed to be OE replacements.
( 264 )
$182.99
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$306.99
Summit Bucks
Delphi Fuel Injection Pressure Regulators
Fuel injection pressure regulators directly affect your engine and vehicle performance and can be a major contributor or hindrance to fuel economy. Delphi fuel injection pressure regulators provide consistent and predictable fuel pressure for superior drivability. These regulators maintain the correct pressure from your tank to the injector for varied driving conditions, providing enhanced fuel control accuracy. Delphi fuel injection pressure regulators feature precisely manufactured internal valves, diaphragms, and springs for excellent performance, longer life, and improved durability.
( 36 )
$66.99
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$79.99
Summit Bucks
Dynomax Exhaust Tips
Bolt on the custom look of Dynomax exhaust tips. Available in a variety of inlet/outlet sizes and overall lengths, these single- and double-wall tips are crafted from high-grade 304 stainless steel for durability. They feature a clamp-on design, a mirror-polished finished, and the embossed Dynomax logo. Add performance and aesthetics to your ride with exhaust tips from Dynomax.
( 118 )
$50.99
Summit Bucks
Ridetech Strongarms Tubular Control Arms
Ridetech Strongarm tubular control arms are designed to stiffen up your vehicle's chassis, while providing a smoother ride. They feature a tubular design that offers maximum strength—and are available for a variety of front and rear positions. The control arms include bushings and factory-installed ball joints (front), making installation easier. Get optimum suspension geometry with a set of Ridetech Strongarm tubular control arms; order the kit recommended for your vehicle.
( 19 )
$575.00
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$995.00
Summit Bucks
Delphi Distributors
Delphi distributors are OE-quality replacements for a wide range of make/model vehicles. They offer you the correct fit for a hassle-free install—along with the reliable power and performance you expect. These distributors are validated to match your vehicle's system, so you can drive with confidence. Order the model recommended for your car, truck, van, or SUV application.
( 1 )
$217.99
Summit Bucks
Russell Speed Bleeders
Russell speed bleeders let you bleed the brake lines on just about any vehicle all by yourself. Just replace the old bleeder screws with speed bleeders. They have an internal check valve that will pump excess air and fluid out for you. A special coating on the speed bleeders' threads keep them from admitting air into the system, and keep expelled air and fluid out. When you're done, just tighten the screws and go on to the next brake cylinder.
( 264 )
$18.95
Summit Bucks
Delphi Engine Coolant Temperature Sensors
Delphi engine coolant temperature sensors are top-quality, direct fit OE replacements, which are designed to eliminate connection and failure points. With a one-piece, lead-frame design from the sensing tip to the connector terminals, these units equip your vehicle with a proven design that's built to last. They put the engine under fuel control operation quicker and reduce harmful cold-start emissions by 40 to 50 percent. Delphi engine coolant temperature sensors are built to last, even under the toughest conditions, to endure the long haul. Improve reliability, durability and fuel economy with Delphi.
( 17 )
$20.99
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$25.99
Summit Bucks
Delphi MAP Sensors
Malfunctioning MAP sensors can often cause problems, such as an intermittent check engine light, hesitation when accelerating, elevated emissions, and even poor engine performance. So, if yours is in need of replacement, do it with Delphi MAP sensors. These MAP sensors provide precise measurements of manifold absolute pressure. They are designed to perform in harsh environments, such as extreme temperatures, vibration, thermal and mechanical shock, and chemical contamination. Safeguard your engine with these quality MAP sensor components from Delphi.
( 20 )
$63.99
Summit Bucks
Delphi Ignition Control Modules
With Delphi's knowledge of OEM protocol, their ignition control modules are engineered using superior materials to improve your vehicle's performance with the benefits of greater throttle response, smoother idle, and full power output at high rpm. Delphi ignition control modules are quality, direct fit OEM replacements available for a range of applications. For improved ignition performance, spark it up with Delphi!
( 16 )
$87.99
Summit Bucks
DeatschWerks Fuel Pressure Regulators
DeatschWerks fuel pressure regulators provide the quality, precision, and reliability that your high performance fuel system requires to deliver optimum performance. DW adjustable regulators come in 1,000 and 2,000 hp models, with both featuring dual AN inlets, single bottom mounted AN returns, and semi-compact 60mm footprints for maximum installation flexibility. They utilize stainless steel hardware, nitrile fiber diaphragms, anodized housings, and 100 percent brass-free construction to be compatible with ethanol and methanol. The design of the DeatschWerks fuel pressure regulators will also allow for precision pressure adjustment via their ball-bearing mechanism, combined with a 2 psi-per-turn pressure ratio that makes dialing-in your desired target easy.
( 9 )
$39.00
Summit Bucks
Delphi Throttle Position Sensors
Are you experiencing hard starts, stalling issues, rough idle, or hearing a slight pinging within your engine? Don't panic. It may be related to a bad throttle position sensor. Delphi throttle position sensors are designed to sense throttle movement and change of position. They also regulate various engine and vehicle operations, including spark timing, air and fuel ratio, torque converter lockup, air conditioning, and idle speeds. With that said, throttle position sensors are an important component, and if your existing sensor seems to have gone bad, just swap it out for a new one from Delphi.
( 13 )
$44.99
