2021 GMC Sierra 3500 Engine Parts
- Motor Mounts
- Engine Blocks
- Valves & Valvetrain Parts
- Pistons, Rings & Connecting Rods
- Oil Filters
- Serpentine Belts & Auxiliary Drive Belts
- Valve Covers
- Timing Gears, Chains & Covers
- Oil Pans, Drain Plugs & Dipsticks
- Cylinder Heads
- Engine Pulleys
- Engine Sensors, Relays, Switches & Connectors
- Oil Pumps
- Oil Coolers
- Camshafts
- Crankshafts
- Engine Management Systems
- Engine Bearings
- Harmonic Balancers
- Intercoolers
- Throttle Bodies
- Motor Oils
- ACDelco®Genuine GM Parts™ CamshaftGMC Sierra 3500 2021, Genuine GM Parts™ Camshaft by ACDelco®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$139.87 - $168.32Save: 16%$118.18 - $142.22
- Anchor®Front Passenger Side Engine MountGMC Sierra 3500 2021, Front Passenger Side Engine Mount by Anchor®. If you feel vibration accompanied by unusual noise when driving, this can be the sign of a bad engine mount. Replace it with a mount from the leading aftermarket...Direct OEM replacementSecurely supports the engine on the chassis$52.66 - $60.88
- ACDelco®Genuine GM Parts™ CrankshaftGMC Sierra 3500 2021, Genuine GM Parts™ Crankshaft by ACDelco®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$805.71 - $850.03Save: up to 16%$684.85 - $716.15
- ACDelco®GM Original Equipment™ Timing Chain Tensioner KitGMC Sierra 3500 Gas 2021, GM Original Equipment™ Timing Chain Tensioner Kit by ACDelco®. Designed utilizing the latest technology, this GM Original Equipment™ Timing Chain Tensioner by ACDelco features premium quality and will...Dictates the operation of your vehicle's vital systems, which is critical to the performance of your vehicleGM-recommended replacement part for your GM vehicle's original factory component$42.15Save: $6.61 (16%)$35.54
- ACDelco®GM Original Equipment™ Engine Oil FilterGMC Sierra 3500 Flex / Gas 2021, GM Original Equipment™ Engine Oil Filter by ACDelco®. Designed utilizing the latest technology, this Oil Filter by ACDelco features premium quality and will perform better than advertised. Perfect for...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$8.28Save: $1.26 (15%)$7.02
- K&N®Performance Gold™ Spin-On Engine Oil FilterGMC Sierra 3500 2021, Performance Gold™ Spin-On Engine Oil Filter by K&N®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and...The drilled hole on the nut provides for safety wire attachmentOil filters also use a resin impregnated cellulose filter media$15.99
- Baldwin Filters®Engine Oil FilterGMC Sierra 3500 Diesel 2021, Engine Oil Filter by Baldwin Filters®. Dirty oil can cause catastrophic damage to your engine. By using the proper lube filter for your engine, you can minimize the possibility of costly downtime and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$13.65
- Cloyes®Timing Chain TensionerGMC Sierra 3500 Gas 2021, Timing Chain Tensioner by Cloyes®. A timing chain tensioner maintains appropriate tension in the timing chain system. Depending on the OE design, tensioners can use spring tension and/or hydraulic pressure to...Cloyes utilizes the latest in design and material technology, ensuring a quiet and maintenance-free experienceAll Cloyes timing chain tensioners meet or exceed OEM performance requirements$23.13
- ACDelco®Genuine GM Parts™ Piston RingsGMC Sierra 3500 2021, Genuine GM Parts™ Piston Rings by ACDelco®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$32.98 - $109.33Save: 15%$28.03 - $92.93
- ACDelco®GM Original Equipment™ Engine Oil FilterGMC Sierra 3500 Gas 2021, GM Original Equipment™ Engine Oil Filter by ACDelco®. Durapack Engine Oil Filter. ACDelco GM Original Equipment Engine Oil Filters are designed, engineered, and tested to rigorous standards, and are backed by...Helps keep abrasive particles away from bearings and other engine hydraulic componentsSome ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional$6.41 - $10.08Save: up to 16%$5.36 - $8.64
- PPE®Oil FilterGMC Sierra 3500 Diesel 2021, Oil Filter by PPE®. PPE is where engineering, design, and quality come together in perfect form. This superior product was crafted using modern manufacturing methods and high-grade materials to strict...Thicker threaded plate with 49% larger oil passagesSilicone anti-drain-back valve$22.49 - $26.99
- Diamond Advantage®Standard Spin-on Engine Oil FilterGMC Sierra 3500 Diesel 2021, Standard Spin-on Engine Oil Filter by Diamond Advantage®. Diamond Advantage high-quality parts, backed by Navistar. Built on more than 100 years of experience, this product ensures long-lasting and...Quality built with 100% ALL-NEW componentsOil filters guard against oil contaminants to reduce wear and prevent system failure$4.64
- ACDelco®Genuine GM Parts™ Engine Oil Drain PlugGMC Sierra 3500 2021, Genuine GM Parts™ Engine Oil Drain Plug by ACDelco®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$14.25 - $40.24Save: 15%$12.06 - $34.20
- ACDelco®GM Original Equipment™ Drive Belt Idler PulleyGMC Sierra 3500 Diesel 2021, GM Original Equipment™ Drive Belt Idler Pulley by ACDelco®. Designed utilizing the latest technology, this GM Original Equipment™ Drive Belt Idler Pulley by ACDelco features premium quality and will...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$102.79Save: $18.28 (18%)$84.51
- Anchor®Front Driver Side Engine MountGMC Sierra 3500 2021, Front Driver Side Engine Mount by Anchor®. If you feel vibration accompanied by unusual noise when driving, this can be the sign of a bad engine mount. Replace it with a mount from the leading aftermarket supplier,...Direct OEM replacementSecurely supports the engine on the chassis$52.66 - $60.88
- TRQ®Camshaft Position SensorGMC Sierra 3500 Gas 2021, Camshaft Position Sensor by TRQ®. Replace your vehicle’s faulty cam sensor with the TRQ engine camshaft position sensor to make your engine perform as it should and bring your vehicle back to its former...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$24.95Save: $1.00 (4%)$23.95
- TRQ®Camshaft Position SensorGMC Sierra 3500 2021, Camshaft Position Sensor by TRQ®. Replace your vehicle’s faulty cam sensor with the TRQ engine camshaft position sensor to make your engine perform as it should and bring your vehicle back to its former glory....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$24.95Save: $1.00 (4%)$23.95
- ACDelco®Genuine GM Parts™ Engine Oil Pump Pickup Tube & ScreenGMC Sierra 3500 Diesel 2021, Genuine GM Parts™ Engine Oil Pump Pickup Tube & Screen by ACDelco®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$34.76Save: $5.21 (15%)$29.55
- ACDelco®Genuine GM Parts™ Connecting Rod Bearing SetGMC Sierra 3500 Diesel 2021, Genuine GM Parts™ Connecting Rod Bearing Set by ACDelco®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$13.68Save: $2.11 (15%)$11.57
- ACDelco®Genuine GM Parts™ Front Timing CoverGMC Sierra 3500 Flex / Gas 6-Speed 2021, Genuine GM Parts™ Front Timing Cover by ACDelco®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$66.52Save: $10.31 (15%)$56.21
- TRQ®Serpentine BeltGMC Sierra 3500 2021, Serpentine Belt by TRQ®. Don’t wait until your serpentine belt breaks and you’ll end up getting stuck in the middle of the road, replace it on a regular basis with a reliable and cost-efficient solution from...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$22.95Save: $0.92 (4%)$22.03
- Goodyear Belts®Serpentine Multi V-BeltGMC Sierra 3500 2021, Serpentine Multi V-Belt by Goodyear Belts®. Goodyear Belts has developed multi V-belts that meet or exceed OE requirements, ensuring long belt life and quiet operation. Restore your belt drive system’s efficiency...Meets or Exceeds OEM SpecificationsLong-life EPDM Rubber Compound$20.44 - $65.38
- Delphi®Camshaft Position SensorGMC Sierra 3500 2021, Camshaft Position Sensor by Delphi®. Delphi sensors use the Hall Effect or magneto resistive (MR) principles for accurate and clean signal input to the electronic control module (ECM). The result is more design...Extensive coverageApplications for ignition (camshaft and crankshaft position and speed), transmission (vehicle or engine speed) and anti-lock braking systems (wheel speed)$18.00
- Dorman®OE Solutions™ Oil Pressure SensorGMC Sierra 3500 2021, OE Solutions™ Oil Pressure Sensor by Dorman®. This replacement oil pressure sensor is a direct replacement for the original sensor on specified applications. It is ruggedly designed and built to withstand...Ideal replacement - this oil pressure sensor directly replaces the original sensor on specified vehicles and applicationsDurable construction - this sensor is specifically designed to withstand pressure and temperature extremes for reliable performance and accurate measurement$22.45
- Cloyes®Timing Chain KitGMC Sierra 3500 Gas 2021, Timing Chain Kit by Cloyes®. Keep your engine’s valvetrain in perfect time with Cloyes, the world leader in timing drive systems. No matter whether you need a timing gear or complete timing gear set, Cloyes...Maintains critical valve timingPrevents performance problems and possible engine damage that can result from incorrect timing$96.17
- Cloyes®Timing Chain GuideGMC Sierra 3500 2021, Timing Chain Guide by Cloyes®. A timing chain guide serves as a track or guide, for the timing chain, connecting the crankshaft and camshaft. Designed to meet or exceed OEM performance requirements, Cloyes Timing...Cloyes parts are CAD designed and manufactured using premium materialsEach part is extensively tested and measured for function, fitment, and durability to ensure optimal performance$16.79
- Fel-Pro®Crankshaft SealGMC Sierra 3500 Diesel 2021, Crankshaft Seal Kit by Fel-Pro®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed...Application specific design to ensure a perfect fitMeets or exceeds all original equipment specifications$36.17 - $39.08
- Elring®Crankshaft SealGMC Sierra 3500 Diesel 2021, Crankshaft Seal by Elring®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured...Expertly Crafted from the highest grade materialsMade to provide maximum accuracy and dependability$23.30 - $29.86
- ACDelco®Genuine GM Parts™ Crankshaft SealGMC Sierra 3500 2021, Genuine GM Parts™ Crankshaft Seal by ACDelco®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$16.20 - $45.90Save: up to 16%$13.77 - $38.78
- ACDelco®GM Original Equipment™ Engine MountGMC Sierra 3500 Flex / Gas 2021, GM Original Equipment™ Engine Mount by ACDelco®. Designed utilizing the latest technology, this GM Original Equipment™ Engine Mount by ACDelco features premium quality and will perform better than...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$78.56Save: $12.83 (16%)$65.73
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2021 GMC Sierra 3500 Engine Reviews
4 reviews
Best Oil For Duramax
ACDelco® - dexosD™ Light Duty Diesel SAE 0W-20 Synthetic Motor Oil, 1 QuartPosted by Aleski / October 29, 20212020 Chevy Silverado 1500