{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": true,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": true,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": true,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": true,
    "zipPaymentFlag": "c",
    "hassleFreeReturn": true,
    "lifetimeReplacement": true,
    "cpn_off": false
}
2018 GMC Sierra 2500 HD
1
0
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
2018 GMC Sierra 2500 HD

2018 GMC Sierra 2500 HD Differential Covers

Refine by:

Shop Catalog

Showing 1 - 7 of 7 results
Sort by:
Yukon Nodular Iron Cover for GM14T with 8mm Cover Bolts
Yukon Gear & Axle®
Yukon Nodular Iron Cover for GM14T with 8mm Cover Bolts
Part Number: YUKYHCCGM14TM
Guaranteed to Fit
$267.89
Vehicle Fitment
  • 2018 GMC Sierra 2500 HD SLE 8 Cyl 6.2L GM 10.5 in.
  • 2018 GMC Sierra 2500 HD SLT 8 Cyl 6.2L GM 10.5 in.
  • 2018 GMC Sierra 2500 HD Base 8 Cyl 6.2L GM 10.5 in.
  • 2018 GMC Sierra 2500 HD Denali 8 Cyl 6.2L GM 10.5 in.
Product Details
Location : RearProduct Fit : Direct FitRecommended Use : Performance ReplacementSeries : High Performance SeriesMaterial : SteelColor Finish : Black PowdercoatedWarranty : Lifetime Yukon Gear & Axle limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : Yukon Ultimate Summer Rebate
Performance Replacement Series Differential Cover - Black, Direct Fit, Sold individually
BD Diesel®
Performance Replacement Series Differential Cover - Black, Direct Fit, Sold individually
Part Number: B701061825
Guaranteed to Fit
$318.95
Vehicle Fitment
  • 2018 GMC Sierra 2500 HD SLE 8 Cyl 6.2L With AA 14 Bolt-11.5 in. Differential
  • 2018 GMC Sierra 2500 HD SLT 8 Cyl 6.2L With AA 14 Bolt-11.5 in. Differential
  • 2018 GMC Sierra 2500 HD Denali 8 Cyl 6.8L With AA 14 Bolt-11.5 in. Differential
  • 2018 GMC Sierra 2500 HD SLE 8 Cyl 6.8L With AA 14 Bolt-11.5 in. Differential
  • 2018 GMC Sierra 2500 HD Base 8 Cyl 6.2L With AA 14 Bolt-11.5 in. Differential
  • 2018 GMC Sierra 2500 HD Base 8 Cyl 6.8L With AA 14 Bolt-11.5 in. Differential
  • 2018 GMC Sierra 2500 HD Denali 8 Cyl 6.2L With AA 14 Bolt-11.5 in. Differential
  • 2018 GMC Sierra 2500 HD SLT 8 Cyl 6.8L With AA 14 Bolt-11.5 in. Differential
Product Details
Location : RearProduct Fit : Direct FitRecommended Use : Performance ReplacementSeries : Performance Replacement SeriesColor Finish : BlackWarranty : 3-year or 150,000-mile BD Diesel limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Power Pro Series Differential Cover - Powdercoated Black, Aluminum, Direct Fit, Sold individually
aFe®
Power Pro Series Differential Cover - Powdercoated Black, Aluminum, Direct Fit, Sold individually
Part Number: A154671060B
Guaranteed to Fit
$355.00
Vehicle Fitment
  • 2018 GMC Sierra 2500 HD Base 8 Cyl 6.8L
  • 2018 GMC Sierra 2500 HD Denali 8 Cyl 6.8L
  • 2018 GMC Sierra 2500 HD SLE 8 Cyl 6.8L
  • 2018 GMC Sierra 2500 HD SLT 8 Cyl 6.8L
Product Details
Location : RearProduct Fit : Direct FitRecommended Use : Performance ReplacementSeries : Power Pro SeriesMaterial : AluminumColor Finish : Powdercoated BlackWarranty : 2-year AFE limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Differential Cover - Black, Steel, Direct Fit, Sold individually
AC Delco®
Differential Cover - Black, Steel, Direct Fit, Sold individually
Part Number: AC20768577
Guaranteed to Fit
$51.49
Vehicle Fitment
  • 2018 GMC Sierra 2500 HD SLT All Engines 4WD, 3.73R(GT4); 4.10R(GT5)
  • 2018 GMC Sierra 2500 HD Denali All Engines 4WD, 3.73R(GT4); 4.10R(GT5)
  • 2018 GMC Sierra 2500 HD Base All Engines 4WD, 3.73R(GT4); 4.10R(GT5)
  • 2018 GMC Sierra 2500 HD SLE All Engines 4WD, 3.73R(GT4); 4.10R(GT5)
Product Details
Location : FrontProduct Fit : Direct FitRecommended Use : OE ReplacementMaterial : SteelColor Finish : BlackWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Differential Cover - Silver, Steel, Direct Fit, Sold individually
AC Delco®
Differential Cover - Silver, Steel, Direct Fit, Sold individually
Part Number: AC22891940
Guaranteed to Fit
$34.49
Vehicle Fitment
  • 2018 GMC Sierra 2500 HD Base 8 Cyl 6.2L 10.50 Ring Gear Saginaw-American Axle; Order T/W Cover Gasket
  • 2018 GMC Sierra 2500 HD SLE 8 Cyl 6.2L 10.50 Ring Gear Saginaw-American Axle; Order T/W Cover Gasket
  • 2018 GMC Sierra 2500 HD Base 8 Cyl 6.8L 10.50 Ring Gear Saginaw-American Axle; Order T/W Cover Gasket
  • 2018 GMC Sierra 2500 HD SLT 8 Cyl 6.2L 10.50 Ring Gear Saginaw-American Axle; Order T/W Cover Gasket
  • 2018 GMC Sierra 2500 HD Denali 8 Cyl 6.2L 10.50 Ring Gear Saginaw-American Axle; Order T/W Cover Gasket
  • 2018 GMC Sierra 2500 HD Denali 8 Cyl 6.8L 10.50 Ring Gear Saginaw-American Axle; Order T/W Cover Gasket
  • 2018 GMC Sierra 2500 HD SLE 8 Cyl 6.8L 10.50 Ring Gear Saginaw-American Axle; Order T/W Cover Gasket
  • 2018 GMC Sierra 2500 HD SLT 8 Cyl 6.8L 10.50 Ring Gear Saginaw-American Axle; Order T/W Cover Gasket
Product Details
Location : RearProduct Fit : Direct FitRecommended Use : OE ReplacementMaterial : SteelColor Finish : SilverWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Performance Replacement Series Differential Cover - Red, Cast Iron, Universal, Sold individually
ARB®
Performance Replacement Series Differential Cover - Red, Cast Iron, Universal, Sold individually
Part Number: ARB0750003
Universal Fit
$187.00
Product Details
Product Fit : UniversalRecommended Use : Performance ReplacementSeries : Performance Replacement SeriesMaterial : Cast IronColor Finish : RedWarranty : 3-year, unlimited-mileage ARB limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Performance Replacement Series Differential Cover - Red, Cast Iron, Universal, Sold individually
ARB®
Performance Replacement Series Differential Cover - Red, Cast Iron, Universal, Sold individually
Part Number: ARB0750004
Universal Fit
$187.00
Product Details
Product Fit : UniversalRecommended Use : Performance ReplacementSeries : Performance Replacement SeriesMaterial : Cast IronColor Finish : RedWarranty : 3-year, unlimited-mileage ARB limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Page 1 of 1 | Showing 1 - 7 of 7 results

Popular Products

Product Questions & Answers

ARB Performance Replacement Series Differential Cover - Red, Cast Iron, Universal, Sold individually
$187
Q:I need to confirm that this cover fits a 2003 dodge ram 1500 4x4 rear differential? Thank you Show Less
Evan C.
A:BEST ANSWERHi Evan, thank you for reaching out! Upon checking, it will not fit. We do not have a similar part available for your truck. Have a great day! Show less
Andrew B.
 
1 Question, 1 AnswerView all Q&As >

Helpful Automotive Resources

Must-Haves For Your Next Off-Road Adventure
Must-Haves For Your Next Off-Road AdventureOne of the best ways to keep your vehicle safe on off-road adventures is to increase its ride height with a body lift kit. By raising its body, your vehicle will take significantly less damage from any rocks, bumps, and debris that might be kicked up and damage the undercarriage.
Fluid Leaks 101: Find Out What’s Leaking From Your Car
Fluid Leaks 101: Find Out What’s Leaking From Your CarBut before you rush off to the repair shop, it’s helpful to identify the different types of fluids that you might find leaking from your car. Below, you’ll find a guide to what the assorted fluid colors might mean. Fluid ColorWhat Type of Fluid It Could