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Choose your Submodel for your 2020 GMC Sierra 2500 HD


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K&N
  • Oil Filter
  • H-4.0 in.; OD-3.656 in.; M22 Special Thread x 1.5; psi Relief Valve 11-17 Premium Oil Filter w/Wrench Off Nut
  • K/N Wrench-Off oil filters are engineered to help ensure high flow rates and exceptional protection from contaminants. Each filter comes with a hex nut welded to the top of the canister; allowing for easy removal with a standard wrench.
  • Performance Gold Oil Filter
  • Product Attributes:
    • Thread Size: M22 Special Thread X 1.500 In.
    • Removal Nut Size: 1.000 In.
    • WARNING CA Proposition 65: No
    • Bypass Valve: Yes
    • Style: Canister
    • Item Weight: 1.200 Lbs. (0.5 Kg)
    • Product Box Height: 4.500 In. (114mm)
    • Filter Material: High Flow Premium Media
    • Gasket Material: Viton Rubber
    • Product Box Width: 3.880 In. (98mm)
    • Package Material: Paperboard
    • Product Box Length: 3.880 In. (98mm)
    • PSI Relief Valve: 11-17
    • Outside Diameter: 3.656 In. (93mm)
    • Removal Nut: Yes
    • Item Height: 4.000 In. (102mm)
    • Package Type: Box
    • Anti-Drain Back Valve: Yes
  • Features:
    • OE Replacement Oil Filter
    • 1 in. Exposed Nut Designed For Easy Oil Filter Removal
    • Heavy Duty Construction For Extreme Conditions
    • Anti-Drain Back Valve - Where Applicable - Eliminates Dry Starts
  • K&N premium oil filters are meticulously engineered to offer outstanding filtration and engine protection. Designed to operate with all synthetic, conventional, and blended motor oils, K&N's pleated synthetic-blend filtration media helps to shield your engine from contaminants and ensure a consistent flow of oil. The heavy-duty canister is engineered to be exceptionally durable, and a one-inch welded hex nut can be used for quick and easy filter removal. Each filter is specifically designed to withstand the service intervals recommended by vehicle manufacturers, and is protected by the K&N 1-Year Limited Warranty.

This Part Fits the Following OEM/Substitute Numbers:
04884899AB, 04884899AC, 05038041AA, 51372, 872025, 89017527, B329, F1AZ6714A, F1AZ6731BD, FL820, FL820S, L24651, M1210, M1210A, OD5419, PF1250, PH2, PH8A...VIEW MORE

Additional Fitment Information:
Vehicle Block CC Engine CID
2020 - GMC Sierra 2500 HD V 6571 8 Cyl 6.6L 401

Motorad
  • Thermostat-187 Degrees
  • Temperature 187F Includes seal OEM Recommended Temp
  • Standard
  • Product Attributes:
    • Installation Tool Included: No
    • Sealing Flange Outside Diameter: 2.2
    • Flange Thickness: 0.05 In
    • Bypass Diameter: 1.58 In
    • Gasket/Seal Material: Rubber
    • Jiggle Pin Weep Hole: Yes
    • Bypass Length: 2.12 In
    • Temperature (Degree): 187
  • Manufactured with OEM quality materials and safety standards by an OE Supplier. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable

This Part Fits the Following OEM/Substitute Numbers:
12T033E, 131-160, 15158, 1601-317694, 34198, 34198S, 455808, 46158, 48290, 523-190, 52387, 89018168, 9523190, P52387, QRT49

Additional Fitment Information:
Vehicle Block CC Engine CID
2020 - GMC Sierra 2500 HD V 6571 8 Cyl 6.6L 401

Motorad
  • Thermostat-185 Degrees
  • Temperature 185F Includes seal OEM Recommended Temp
  • Standard
  • Product Attributes:
    • Installation Tool Included: No
    • Sealing Flange Outside Diameter: 2.13
    • Flange Thickness: 0.05 In
    • Bypass Diameter: 1.18 In
    • Gasket/Seal Material: Rubber
    • Jiggle Pin Weep Hole: No
    • Bypass Length: 1.36 In
    • Temperature (Degree): 185
  • Manufactured with OEM quality materials and safety standards by an OE Supplier. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable

This Part Fits the Following OEM/Substitute Numbers:
12680456, 12T99D, 131-163, 14728, 1601-290243, 33946, 389-195, 447-185, 54785, 9447185, 97241129, QRT57

Additional Fitment Information:
Vehicle Block CC Position Engine CID
2020 - GMC Sierra 2500 HD V 6599 Front 8 Cyl 6.6L 403

Mishimoto
  • Chevrolet/GMC 6.6L Duramax Engine Low Temperature Thermostats (set of 2)
  • Low Temperature Thermostats (set of 2), fits Chevrolet/GMC 6.6L Duramax 2001-2016
  • Product Attributes:
    • SellingPoint04: Mishimoto Lifetime Warranty
    • SellingPoint15: N/a
    • SellingPoint05: N/a
    • SellingPoint06: N/a
    • SellingPoint07: N/a
    • Install Difficulty: 2
    • SellingPoint11: N/a
    • SellingPoint01: Fits 2001-2013 Chevrolet/gmc 6.6l Duramax
    • SellingPoint12: N/a
    • TechSpec Engine Codes: N/a
    • SellingPoint02: Activates At Lower Temperature So Coolant Flows Through System Earlier
    • SellingPoint13: N/a
    • SellingPoint03: Allows For Cooler Engine Temperatures
    • SellingPoint14: N/a
    • TechSpec Chassis Codes: N/a
    • SellingPoint08: N/a
    • SellingPoint09: N/a
    • TechSpec Applications: 2001-2016 Chevy Or Gmc With 6.6l Duramax Engine (any)--2001-2016 Chevrolet Silverado 2500hd/3500hd--2001-2016 Gmc Sierra 2500hd/3500hd
    • TechSpec Includes: (1) 174f Thermostat--(1) 180f Thermostat--mishimoto Lifetime Warranty
    • TechSpec OEM Activation Temperature (F): N/a
    • SellingPoint10: N/a
    • TechSpec Mishimoto Activation Temperature (F): N/a
    • TechSpec Note: N/a
  • The Mishimoto Chevrolet Duramax low temperature thermostats activate at a lower temperature than the OEM thermostats, making them the perfect solution for Duramax owners who live in warmer climates, or use their trucks under heavy load or strenuous driving conditions.Activating at a lower temperature means coolant will begin flowing through the system and allow for cooler temperatures.

Additional Fitment Information:
Vehicle Sub Model
2020 - GMC Sierra 2500 HD SLT

Mishimoto
  • Chevrolet/GMC 6.6L Duramax Engine Low Temperature Thermostats (set of 2)
  • Low Temperature Thermostats (set of 2), fits Chevrolet/GMC 6.6L Duramax 2001-2016
  • Product Attributes:
    • SellingPoint04: Mishimoto Lifetime Warranty
    • SellingPoint05: N/a
    • SellingPoint06: N/a
    • SellingPoint07: N/a
    • SellingPoint01: Fits 2001-2013 Chevrolet/gmc 6.6l Duramax
    • SellingPoint02: Activates At Lower Temperature So Coolant Flows Through System Earlier
    • SellingPoint03: Allows For Cooler Engine Temperatures
    • TechSpec Chassis Codes: N/a
    • SellingPoint08: N/a
    • SellingPoint09: N/a
    • TechSpec OEM Activation Temperature (F): N/a
    • Installation Difficulty: 2
    • SellingPoint10: N/a
    • TechSpec Note: N/a
    • Prop 65 (C, R or CR): Cr
    • SellingPoint15: N/a
    • Install Difficulty: 2
    • SellingPoint11: N/a
    • SellingPoint12: N/a
    • TechSpec Engine Codes: N/a
    • SellingPoint13: N/a
    • SellingPoint14: N/a
    • Prop 65 - Short Label: Prop65_warning.jpg
    • TechSpec Applications: 2001-2016 Chevy Or Gmc With 6.6l Duramax Engine (any)--2001-2016 Chevrolet Silverado 2500hd/3500hd--2001-2016 Gmc Sierra 2500hd/3500hd
    • TechSpec Includes: (1) 174f Thermostat--(1) 180f Thermostat--mishimoto Lifetime Warranty
    • TechSpec Mishimoto Activation Temperature (F): N/a
  • The Mishimoto Chevrolet Duramax low temperature thermostats activate at a lower temperature than the OEM thermostats, making them the perfect solution for Duramax owners who live in warmer climates, or use their trucks under heavy load or strenuous driving conditions.Activating at a lower temperature means coolant will begin flowing through the system and allow for cooler temperatures.

Additional Fitment Information:
Vehicle Block CC Fuel Type Engine CID
2020 - GMC Sierra 2500 HD V 6599 DIESEL 8 Cyl 6.6L 403

Prestone
  • Prestone Amam Gen 2 50/50 6/1 GAL
  • Extended Life 50/50, Ready to Use Prediluted
  • Product Attributes:
    • California Proposition 65: Warning: Reproductive Harm - Www.p65warnings.ca.gov
    • Freezing Point: -34
    • Recommended Dilution Ratio: No Dilution Required
    • Phosphate Free: Yes
    • Boiling Point at 50 50 Mixture: 229
  • for corrosion protection for cars and light duty trucks. Top-off a vehicle’s cooling system with Prestone 50/50, which is a blend of concentrated antifreeze/coolant and demineralized water.
  • This item must be purchased in quantities of 6

Additional Fitment Information:
Vehicle
2020 - GMC Sierra 2500 HD

Prestone
  • Prestone All Vehicles - 10yr/300k mi- Antifreeze+Coolant (1 Gal - Concentrate)
  • Extended Life, Full Strength Concentrate
  • Product Attributes:
    • Biodegradable: No
    • California Proposition 65: Warning: Reproductive Harm - Www.p65warnings.ca.gov
    • Freezing Point: -34
    • Recommended Dilution Ratio: 5 To 7
    • Phosphate Free: Yes
    • Ethylene Glycol: Yes
    • Boiling Point at 50 50 Mixture: 229
  • Prestone All Vehicles antifreeze+coolant - Concentrate is our optimized formula for All Vehicles; makes, models, years & fluid colors. Our Patented Cor-Guard® Technology (our best coolant innovation in decades) works with all new engines, and also is backward compatible - providing instant protection in older engines. Not only does Prestone Coolant Technology manage engine temperature all year round and protects against freezing, it also uniquely protects the engine from serious damage. No matter what type of coolant is currently in your engine, a Single Top-off of Patented Cor-Guard® Technology instantly protects parts better from corrosion, buildup, pitting, scaling, rust and other damage; a complete replacement of all coolant protects to the maximum. Internal engine damage can cause parts failure, resulting in expensive auto repair shop bills and downtime inconveniences. Using Prestone Antifreeze+Coolant protects against engine issues and those inconveniences. This patented fluid is designed to last 10yrs / 300,000 miles and will protect the internal parts of the engine for 10yrs / 300,000 miles
  • This item must be purchased in quantities of 6

Additional Fitment Information:
Vehicle
2020 - GMC Sierra 2500 HD

BD Diesel
  • Includes Electronic Module/Switch Harness/Switch Decal/Switch Guard Decal/Switch Guard/Velcro Strips/Cable Ties/Window Decal
  • E-PAS Positive Air Emergency Engine Shutdown; Includes Electronic Module/Switch Harness/Switch Decal/Switch Guard Decal/Switch Guard/Velcro Strips/Cable Ties/Window Decal;
  • E-PAS Positive Air Emergency Engine Shutdown
  • Product Attributes:
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Warning Cancer And Reproductive Harm Www.p65warnings.ca.gov
  • Features:
    • Over Speed Shut Down Control Utilizing Built In Intake Air Valve
    • Safely Shuts Your Engine Down If Over Speeding
    • Can Be Installed In Less Than 1.5 Hours
    • Factory Plug In Connections And Wiring Harness
    • Save 3 Hours Installation Time Labor Over Mechanical Systems
    • Does Not Set ECM Trouble Codes
    • Automatically Resets After Shut Down
    • Only The Switch Needs A Tool To Install
    • Easily Removed For Truck Lease Returns
    • 24 Months or 24000 Miles Warranty
  • When you need an emergency engine shutdown system, then BD has the solution that is hard to PASs up. Some industries such as mining, oil refinery, forestry, mobile welding, septic removal and refueling require some vehicles to have an emergency engine shutdown in place. The most effective method for this is to cut the air supply to the Diesel engine ensuring fuel ignition to cease. With BDs Positive Air Shutdown (PAS), an inline butterfly valve is placed in the air intake line and when activated by its heavy duty electrical solenoid, the engine will shutdown within seconds.Standard applications include automatic over-speed electronics and CAC pipes included for some vehicles. The PAS butterfly valve design reduces the number of parts and the overall size as compared to competitive units. Aluminum and stainless components plus weatherproof electrical connectors are used to prevent corrosion. Easy installation with no welding needed for hose retaining beads by utilizing innovative bead boot locks.

Additional Fitment Information:
Vehicle Block CC Engine CID
2020 - GMC Sierra 2500 HD V 6599 8 Cyl 6.6L 403

Fram
  • Spin-On Oil Defense, DL10575
  • DEFENSE Spin-on Oil Filter

Additional Fitment Information:
Vehicle Block CC Engine CID
2020 - GMC Sierra 2500 HD V 6571 8 Cyl 6.6L 401

Fluidampr
  • Harmonic Balancer - Fluidampr - 2020+ GM / Chevy Duramax L5P
  • Harmonic Balancer - Fluidampr-2020+ GM / Chevy Duramax L5P - Steel - Black Zinc Chromate - 8-3/8" dia - 30.6 lbs - SFI 18.1 - Made in USA - Each
  • Product Attributes:
    • Engine Balance: External
    • Degree Marking Range: Tdc
    • Weight / Rotating Weight: 30.6 / 20.2
    • Mounting Hole Quantity: 1
    • Prop 65 - Short Label: Ca-prop65-label.jpg
    • Inside Diameter: 1.93
    • Keyway Type: Yes
    • Outside Diameter: 8.375
    • Pulley Groove Quantity: 6 Rear, 8 Front
    • Degree Markings: Engraved
    • Drive Belt Type: Serpentine
    • Title: Harmonic Balancer - Fluidampr - Gm-chevy - 2020+ - 6.6l Duramax L5p - Each
    • Safety Rating: Sfi 18.1
    • Depth: 3.96
    • Prop 65 (C,R or CR): Cr
  • Features:
    • Broad RPM range protection
    • Reduce risk of crankshaft failure
    • Reduce wear on critical engine parts
    • Unleash lost torque & horsepower
    • Removable hard coat anodized aluminum fan pulley
    • SFI 18.1 spec. Race proven for over 35 years.
    • Made in USA.
  • Serious power requires a serious damper. Protect your truck engine with the technology preferred by heavy duty diesel OEMs. Superior viscous damper design controls harmful torsional vibration across the entire rpm range. Reduce wear on engine components. Reduce risk of crankshaft failure. Improve timing. Unleash lost torque and horsepower. Competition built precision CNC machined and balanced high-grade steel components. Corrosion resistant black zinc finish with engraved timing mark. No maintenance required. Trusted by leading performance diesel engine builders worldwide. SFI 18.1 certified. Made in USA.

Additional Fitment Information:
Vehicle Engine Designation Engine Version
2020 - GMC Sierra 2500 HD L5P Duramax
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