1978 GMC G35 Differentials

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Keep Your 1978 GMC G35 in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1978 GMC G35 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Pinion Seals, Differential Oil, and Differential Covers. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Differentials from Trusted Brands

Looking for a reliable Differential? We’ve got you covered with options from brands you know and trust like Driveworks, Felpro, and Valvoline. For example, Driveworks Differentials start at just $8.99 with an average 4.2 star rating. Felpro and Valvoline offer similar pricing and quality, backed by strong customer feedback. With over 4,720 reviews and a solid 4 star average, you can shop with confidence knowing other GMC G35 owners approve.

Explore Related Parts

While you’re upgrading or replacing your Differential, don’t forget to check out other key components like Drive Shafts and Axles and Universal Joints. At Advance Auto Parts, we’re here to help you keep your 1978 GMC G35 in peak condition, inside and out.

Essential 1978 GMC G35 Differentials

Yukon Gear – Seal Housing for Dana 60, Zip Locker, with O-Rings (Part No.34039)

Seal Housing for Dana 60, Zip Locker, with O-Rings

from

$79.99
The Yukon Zip Locker is the latest in on-demand traction. Its air-operated design allows you to switch from an open differential to 100% lockup when you need it, giving you the ultimate in driver select ability.

Product Features:
  • Seal housing for Dana Spicer 60
  • Includes O-rings
See More

National – Bearing Race (Part No.HM803110)

Bearing Race

from

$19.99
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

Product Features:
  • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION – Crowned raceways for even load distribution
  • OE-STYLE DESIGN – Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

Victor Reinz – Differential Cover Gasket (Part No.71-14868-00)

Differential Cover Gasket

from

$9.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
  • Dana engineering-approved for fit, form and function
  • Meets or exceeds OE specifications.
See More

Yukon Gear – Replacement Redi-Sleeve Yoke Saver, 8.75" C, 9.25" C, Dana 60/61/70/70U/70HD (Part No.30228)

Replacement Redi-Sleeve Yoke Saver, 8.75" C, 9.25" C, Dana 60/61/70/70U/70HD

from

$37.99
Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come.

Product Features:
  • Redi-Sleeve yoke saver
  • Fits Chrysler 8.75″ and 9.25″ rear, Dana Spicer 60, 70, 70U and 70HD
See More

Motive Gear – Differential Pinion Seal (Part No.6808N)

Differential Pinion Seal

from

$24.99
Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
See More

Yukon Gear – Dana 60, Dana 70 & Dana 80 Cover Bolt (Part No.33235)

Dana 60, Dana 70 & Dana 80 Cover Bolt

from

$5.99
3/8″ cover bolt, Dana 60, Dana 70 & Dana 80.

Product Features:
  • Cover bolt for Dana Spicer 60, 70 and 80
  • 3/8″
See More

Yukon Gear – Standard Rotation Dana 60 Chrome Differential Cover (Part No.32005)

Standard Rotation Dana 60 Chrome Differential Cover

from

$89.99
Chrome replacement cover for Dana 60 and 61(not reverse rotation!).

Product Features:
  • Fits standard rotation Dana Spicer 60
  • Chrome
See More

Motive Gear – Differential Carrier Shim Kit (Part No.1106)

Differential Carrier Shim Kit

from

$18.99


Product Features:
  • CARRIER SHIM-DANA 60 & 70
See More

Yukon Gear – Zip Locker Bulkhead Quick-Disconnect Fitting (Part No.34038)

Zip Locker Bulkhead Quick-Disconnect Fitting

from

$18.99
Yukon right hand axle for ’10-’14 Ford F150 SVT Raptor front, 31 spline.

Product Features:
  • Bulkhead quit connect fitting
See More

Yukon Gear – Pinion Gear Thrust washer, D60/Standard Open/TracLoc /8.75" Chrysler /D70 2PC (Part No.33287)

Pinion Gear Thrust washer, D60/Standard Open/TracLoc /8.75" Chrysler /D70 2PC

from

$5.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.

Product Features:
  • Pinion gear thrust washer for Dana Spicer 60
  • Fits standard open and Trac Loc applications
See More

Yukon Gear – Carrier Bearing Puller Set (Part No.56034)

Carrier Bearing Puller Set

from

$689.99
Yukon Gear & Axle offers a full line of top quality differential tools to save time and money.

Product Features:
  • Not compatible with Dana 70HD, Dana 80, Ford 10.25″ and 10.5″ or GM and Chrysler 11.5″ 1-ton applications
  • Works with an impact gun to safely and easily remove carrier bearings
  • Comes with a handy bench-top stand
  • For 1-ton applications shop Yukon part YT P22
See More

Yukon Gear – Replacement Pinion Preload Shims for Dana 60, Dana 61 & Dana 70-U (Part No.55015)

Replacement Pinion Preload Shims for Dana 60, Dana 61 & Dana 70-U

from

$19.99
Yukon shim kits are precision machined and tailored for each individual application to ensure you have the right shims for every set up.

Product Features:
  • Pinion preload shims for Dana Spicer 60 and 70U
See More

Valvoline – MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.VV324)

MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart

from

$12.49
Valvoline Full Synthetic MaxLife Multi-Vehicle ATF, the No. 1 ATF product, suitable for use in 95% of vehicles. And now, it’s recommended for most belt & chain-driven continuously variable transmissions (CVT). Featuring advanced additives to prevent the major causes of transmission breakdown, it’s designed to help prevent leaks, reduce wear & tear, and maximize performance. Has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and frictional enhancements for smooth gear engagements. Valv MaxLife Multi-Vehicle ATF is suitable for most Ford, GM, Toyota, Honda, Nissan, Hyundai, Subaru, BMW, Mercedes, Volvo, VW & Audi vehicles. Recommended for use in: GM DEXRON-II, DEXRON-III, DEXRON-VI, and DEX-CVT; Ford MERCON LV; Toyota/Lexus Type T, T-II, T-IV, WS, CVTF FE, and CVTF TC; Honda/Acura ATF-Z1 and Honda CVT; Nissan/Infiniti Matic-D, Matic-J, Matic-K and Matic-S; Hyundai/Kia SP-II, SP-III, SP-IV and SPH-IV; BMW 7045E, ETL 8072B, LA2634 and LT71141; Allison C-4; Mercedes-Benz NAG-1; Volvo 1161521, 1161540, 97340 and 1273.41; Subaru ATF HP, Lineartronic chain CVT and CVT-II, Lineartronic High Torque CVT, and CV-30; and VW/Audi G-052-025-A2 and G-052-162-A1. CURRENTLY UNABLE TO SHIP THIS PRODUCT TO CUSTOMERS LOCATED IN CALIFORNIA

Product Features:
  • FOR USE IN 95% OF VEHICLES INCLUDING MOST CVTs in operation with US registered light duty applications
  • HIGH PERFORMANCE CONDITIONING AGENTS prolong seal elasticity to prevent leaks
  • IMPROVED DURABILITY & TRANSMISSION LIFE with anti-wear technology to avoid costly repairs
  • ENHANCED HIGH & LOW TEMP PERFORMANCE supports transmission fluid in all weather situations
See More

Yukon Gear – Dana 60 & Dana 70 Power Lok Clutch Set (Steel & Fiber) (Part No.16155)

Dana 60 & Dana 70 Power Lok Clutch Set (Steel & Fiber)

from

$181.99
Yukon Gear & Axle clutch kits fit popular Dana diffs outfitted with a Power Lok positraction unit feature 14 advanced carbon clutch plates, ensuring total traction and long-lasting performance.

Product Features:
  • Clutch kit
  • Fit Dana Spicer 60, 70, 70U and 70HD Power Lok positraction
See More

Motive Gear – Differential Pinion Nut (Part No.15994582)

Differential Pinion Nut

from

$17.99


Product Features:
  • NUT PINION – 14 BOLT
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Motive Gear – Ring Gear Bolt (Part No.331421)

Ring Gear Bolt

from

$9.99
Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application.
See More

Yukon Gear – Replacement Cover Gasket For Dana 50, Dana 60 & Dana 70 (Part No.23007)

Replacement Cover Gasket For Dana 50, Dana 60 & Dana 70

from

$13.99
Yukon spider gear set for GM 8.2″ Dura Grip posi, 28 spline. This kit does not include clutches. This kit fits Yukon Dura Grip ONLY.

Product Features:
  • Cover gasket
  • Fits Dana Spicer 60, 70, 70U and 70HD
See More

National – Tapered Roller Bearing Cone (Part No.LM501349)

Tapered Roller Bearing Cone

from

$21.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

Product Features:
  • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
  • OE-STYLE DESIGN – Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

USA Standard Gear – Differential Open Unit/Component (Part No.59014)

Differential Open Unit/Component

from

$484.99
USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring & pinion sets for a variety of common & hard to find applications. USA standard gear offers a standard Limited warranty against defects on their ring & pinion sets.

Product Features:
  • Fits GM 9.25″ front
  • 9.25″ ring gear
  • 30 spline pinion
  • 12 ring gear bolts
  • 4.11 ratio
See More

Yukon Gear – Bearing Race Driver for Dana 60/70, GM Passenger Car/Truck Differentials (Part No.56014)

Bearing Race Driver for Dana 60/70, GM Passenger Car/Truck Differentials

from

$215.99
Yukon Gear & Axle offers a full line of top quality differential tools to save time and money.

Product Features:
  • Fits HM88510 race
  • All-steel construction
  • For accurate installation of bearing races
See More

Yukon Gear – Differential (Part No.26039)

Differential

from

$869.99
Differential

Yukon Gear – Replacement Cross Pin Shaft for Dana 60, Fits Standard Open and Trac Loc Posi (Part No.33314)

Replacement Cross Pin Shaft for Dana 60, Fits Standard Open and Trac Loc Posi

from

$26.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.

Product Features:
  • Cross pin shaft
  • Fits Dana Spicer 60
See More

Yukon Gear – Chrysler 9.25" and Dana 44 / 60 Tracloc Clutch Guide Replacement (Part No.33249)

Chrysler 9.25" and Dana 44 / 60 Tracloc Clutch Guide Replacement

from

$8.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.

Product Features:
  • Clutch guide for Chrysler 9.25″, Dana Spicer 44 and Dana Spicer 60
  • For Trac Loc positraction applications only
See More

Yukon Gear – Replacement Crush Sleeve for Dana 60 (Part No.33089)

Replacement Crush Sleeve for Dana 60

from

$8.99
Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts and washers, axle studs, thrust washers and much, much more. For all your differential small parts needs, look no further than Yukon.

Product Features:
  • Crush sleeve for Dana Spicer 60
  • 0.660″ tall
See More

Dorman – Differential Pinion Yoke Assembly (Part No.697-545)

Differential Pinion Yoke Assembly

from

$266.99
Worn or damaged differential end yoke causing driveline vibrations- This direct replacement end yoke matches the original equipment part for a trustworthy repair and reliable performance.

Product Features:
  • Direct replacement – this differential end yoke matches the fit and construction of the original yoke
  • Excellent value – this replacement end yoke offers original equipment quality at a fraction of the price of dealer parts
  • Quality materials – this end yoke is machined from cast iron for strength and is precision machined for reliability
  • Validated fit – this differential end yoke has been tested to confirm accurate fit
See More

Yukon Gear – High Performance Replacement Ring & Pinion Gear Set For Dana 60 In A 5.38 Ratio (Part No.24064)

High Performance Replacement Ring & Pinion Gear Set For Dana 60 In A 5.38 Ratio

from

$456.99
Yukon Ring & Pinion sets give you the confidence of knowing you’re running gears designed for the harshest of conditions. Whether it’s on the street, off-road, or at the track; Yukon ring & pinion sets deliver unrivaled performance & quality. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up. All Yukon ring & pinion sets come standard with a one-year warranty.

Product Features:
  • Fits standard rotation Dana Spicer 60
  • 9.75″ ring gear diameter
  • 29 spline pinion
  • 12 ring gear bolts
  • 5.38 ratio
See More

Yukon Gear – Replacement Standard Open Carrier Case For Dana 70, 4.10 & Down (Part No.20045)

Replacement Standard Open Carrier Case For Dana 70, 4.10 & Down

from

$352.99
Yukon replacement standard open carrier case for Dana 70, 4.10 & down (incl ABS).

Product Features:
  • Standard open carrier case
  • Fits Dana Spicer 70
  • 4.41 and down ratio only
  • Does not include spider gears
See More

Yukon Gear – Replacement Trac Loc Carrier Case, Dana 60, 4.10 & Down (Part No.20043)

Replacement Trac Loc Carrier Case, Dana 60, 4.10 & Down

from

$509.99
USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring & pinion sets for a variety of common & hard to find applications. USA standard gear offers a standard one year warranty against defects on their ring & pinion sets.

Product Features:
  • Trac Loc positraction carrier case
  • Does not include spider gears
  • Fits Dana Spicer 60
  • 4.10 and down ratio only
  • ABS and non-ABS compatible
See More

Popular 1978 GMC G35 Differentials Categories

Most Popular Differential Pinion Seals for 1978 GMC G35s

Enhance your 1978 GMC G35 with one of the 5 Differential Pinion Seals we have in stock, starting at just $16.49.

National – Multi-Purpose Seal (Part No.9316)

Multi-Purpose Seal

from

$17.49
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Design type: spring loaded; multi-lip
  • Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
  • Resistance to EP lubricants
  • Low swell in hydrocarbon fluids
  • Delivers quality and reliable performance for every type of repair
See More

Motive Gear – Differential Pinion Seal (Part No.9316)

Differential Pinion Seal

from

$16.49
Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
See More

Motive Gear – Differential Pinion Seal (Part No.6808N)

Differential Pinion Seal

from

$24.99
Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner’s circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
See More

Yukon Gear – Replacement Pinion Seal for Dana 44HD, Dana 60 & Dana 70 (Part No.30208)

Replacement Pinion Seal for Dana 44HD, Dana 60 & Dana 70

from

$39.99
Yukon Mighty Seals use the latest design and manufacturing technologies to produce a precision fit that seals tight and lasts for years to come.

Product Features:
  • Pinion seal
  • Pinion seal
  • Fits Dana Spicer 44HD, 60, 70, 70U and 70HD
See More

Schaeffler – Shaft Seal (Part No.SS3147)

Shaft Seal

from

$22.99
Our wheel seals are engineered using only the highest-quality materials to meet vehicle manufacturer specificatons. We work with suppliers to design seals that meet FAG’s quality standards. Seals are designed to protect wheel end components from contamination – such as dirt, dust, and moisture – and prevent the loss of grease over the life of the bearing. The specifications for wheel seals are very demanding, and the type required depends on the specific application, position and vehicle class.

Product Features:
  • High-precision and High-quality components used in all KITs
  • Coverage of classic and new high-tech solutions for the best system coverage
See More

Best-Selling 1978 GMC G35 Differential Oil

Upgrade your G35 with one of our 6 best-selling Differential Oil, earning an average 5 stars rating across 446 reviews.

Valvoline – MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.VV324)

MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart

from

$12.49
Valvoline Full Synthetic MaxLife Multi-Vehicle ATF, the No. 1 ATF product, suitable for use in 95% of vehicles. And now, it’s recommended for most belt & chain-driven continuously variable transmissions (CVT). Featuring advanced additives to prevent the major causes of transmission breakdown, it’s designed to help prevent leaks, reduce wear & tear, and maximize performance. Has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and frictional enhancements for smooth gear engagements. Valv MaxLife Multi-Vehicle ATF is suitable for most Ford, GM, Toyota, Honda, Nissan, Hyundai, Subaru, BMW, Mercedes, Volvo, VW & Audi vehicles. Recommended for use in: GM DEXRON-II, DEXRON-III, DEXRON-VI, and DEX-CVT; Ford MERCON LV; Toyota/Lexus Type T, T-II, T-IV, WS, CVTF FE, and CVTF TC; Honda/Acura ATF-Z1 and Honda CVT; Nissan/Infiniti Matic-D, Matic-J, Matic-K and Matic-S; Hyundai/Kia SP-II, SP-III, SP-IV and SPH-IV; BMW 7045E, ETL 8072B, LA2634 and LT71141; Allison C-4; Mercedes-Benz NAG-1; Volvo 1161521, 1161540, 97340 and 1273.41; Subaru ATF HP, Lineartronic chain CVT and CVT-II, Lineartronic High Torque CVT, and CV-30; and VW/Audi G-052-025-A2 and G-052-162-A1. CURRENTLY UNABLE TO SHIP THIS PRODUCT TO CUSTOMERS LOCATED IN CALIFORNIA

Product Features:
  • FOR USE IN 95% OF VEHICLES INCLUDING MOST CVTs in operation with US registered light duty applications
  • HIGH PERFORMANCE CONDITIONING AGENTS prolong seal elasticity to prevent leaks
  • IMPROVED DURABILITY & TRANSMISSION LIFE with anti-wear technology to avoid costly repairs
  • ENHANCED HIGH & LOW TEMP PERFORMANCE supports transmission fluid in all weather situations
See More

Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil with Posi Additive (Part No.15003)

3 Qt - 80W90 Conventional Gear Oil with Posi Additive

from

$57.99
Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials. This kit includes three quarts of oil and a bottle of Yukon Limited Slip Friction modifier that reduces noise and chatter in clutch driven positraction units and limited slip differentials.

Product Features:
  • Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive
See More

Yukon Gear – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)

3 Qt - Penzoil 80W90 Conventional Gear Oil

from

$44.99
Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials.

Product Features:
  • Includes three quarts of conventional oil
See More

Yukon Gear – Redline Synthetic "Shock Proof" Oil with Positraction Additive – 4 Quarts (Part No.15005)

Redline Synthetic "Shock Proof" Oil with Positraction Additive - 4 Quarts

from

$148.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection. This kit includes four quarts of oil and a bottle of Yukon Limited Slip Friction modifier that reduces noise and chatter in clutch driven positraction units and limited slip differentials.

Product Features:
  • Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive
See More

Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

Redline Synthetic "Shock Proof" Oil - 3 Quarts

from

$99.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.

Product Features:
  • Includes three quarts of Redline Shockproof oil
See More

Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

Redline Synthetic "Shock Proof" Oil - 4 Quarts

from

$137.99
Redline Heavy Shockproof Gear Oil is formulated to provide lasting protection.

Product Features:
  • Includes four quarts of Redline Shockproof oil
See More

Top-Quality Differential Covers for 1978 GMC G35s

Choose a high-quality OEM or aftermarket Differential Cover for GMC G35s and enjoy top-notch performance from $89.99.

Yukon Gear – Steel Cover for Dana 70 (Part No.32322)

Steel Cover for Dana 70

from

$149.99
These Yukon replacement diff covers are a direct bolt-on.

Product Features:
  • Fits Dana Spicer 70
  • Steel
See More

Yukon Gear – Steel Cover for Dana 60 Standard Rotation (Part No.32321)

Steel Cover for Dana 60 Standard Rotation

from

$114.99
These Yukon replacement diff covers are a direct bolt-on.

Product Features:
  • Fits standard rotation Dana Spicer 60
  • Steel
See More

Yukon Gear – Standard Rotation Dana 60 Chrome Differential Cover (Part No.32005)

Standard Rotation Dana 60 Chrome Differential Cover

from

$89.99
Chrome replacement cover for Dana 60 and 61(not reverse rotation!).

Product Features:
  • Fits standard rotation Dana Spicer 60
  • Chrome
See More

Top Picks for 1978 GMC G35 Differential Bearings

Invest in one of our 7 durable Differential Bearings for your 1978 GMC, knowing you’re getting trusted brands and expert craftsmanship.

Driveworks – Taper Bearing Cone (Part No.S-LM-501349)

Taper Bearing Cone

from

$10.99
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

National – Tapered Roller Bearing Cone (Part No.387AS)

Tapered Roller Bearing Cone

from

$23.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

Product Features:
  • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
  • OE-STYLE DESIGN – Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

National – Tapered Roller Bearing Cone (Part No.LM501349)

Tapered Roller Bearing Cone

from

$21.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

Product Features:
  • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
  • OE-STYLE DESIGN – Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

National – Bearing Race (Part No.382S)

Bearing Race

from

$17.99
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

Product Features:
  • PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION – Crowned raceways for even load distribution
  • OE-STYLE DESIGN – Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
See More

Schaeffler – Cup (Part No.382A)

Cup

from

$18.99
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

Product Features:
  • High-precision and High-quality components used in all KITs
  • Coverage of classic and new high-tech solutions for the best system coverage
See More

Schaeffler – Wheel Balancer Cone (Part No.KLM104949)

Wheel Balancer Cone

from

$17.99
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

Product Features:
  • High-precision and High-quality components used in all KITs
  • Coverage of classic and new high-tech solutions for the best system coverage
See More

Schaeffler – Cup (Part No.LM104911)

Cup

from

$11.99
With advanced load-carrying capacity and compact design, tapered roller bearings are used in wheel bearings, transmissions, differentials, transfer cases and other miscellanous applications. FAG manufacturers over 100 million tapered roller bearings annually.

Product Features:
  • High-precision and High-quality components used in all KITs
  • Coverage of classic and new high-tech solutions for the best system coverage
See More

Rear Differential Cover Gaskets for 1978 GMC G35s

Make a smart move for your 1978 GMC G35 with products all priced from $9.99 to $47.99.

Spicer – Performance Differential Gasket – Dana 70 (Part No.RD51998)

Performance Differential Gasket - Dana 70

from

$47.99
Spicer performance differential cover gaskets offer all-makes coverage for street, strip, drag, and off-road applications. These gaskets are reusable offering a clean release during replacement. Built with a mechanically and chemically bonder woven steel.

Product Features:
  • Made to adhere without messy RTV sealant This saves on install time by eliminating the time needed for RTV cure.
  • Provides no re-torque design with maximum compression and sealing.
  • Manufactured with proprietary high-density performance material.
  • Made in the USA.
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Victor Reinz – Differential Cover Gasket (Part No.71-14868-00)

Differential Cover Gasket

from

$9.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
  • Dana engineering-approved for fit, form and function
  • Meets or exceeds OE specifications.
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Top-Rated Differential Brands For Your 1978 GMC G35

When it comes to finding the perfect Differential for your 1978 GMC G35, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 15 trusted brands. We carry the most popular Differential brands including Valvoline, Felpro, and Driveworks, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $8.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1978 GMC G35, providing peace of mind with parts that meet or exceed OEM standards.

Popular Valvoline 1978 GMC G35 Differentials

If you’re looking for a top-quality Differential for your 1978 GMC G35, Advance Auto Parts has exactly what you need with our selection of Valvoline Differentials. We have 1 Valvoline Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $12.49, you’ll find the perfect Differential for your needs and budget. Valvoline Differentials for the 1978 GMC G35 come highly rated, with over 446 customer reviews and an impressive average rating of 4.8 stars. Choosing a Valvoline Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

Top-Quality Felpro 1978 GMC G35 Differentials

For those in search of a high-quality Differential for their 1978 GMC G35, Advance Auto Parts offers a great selection of Felpro Differentials. With 1 Felpro Differentials in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Differentials start at just $17.99, giving you a range of options to suit your budget. Backed by over 1 customer ratings and an average rating of 4.6 stars, Felpro Differentials provide both reliability and excellent performance. Choosing a Felpro Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket
from $17.99
(1)
Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket
“OEM only uses silicone , the gasket set with a thin layer of silicone is a much better sealant method”

FAQs for 1978 GMC G35 Differentials

What are the best-selling Differentials for 1978 GMC G35s?

Out of 242 Differentials that fit 1978 GMC G35s, the following parts are the top sellers:

What’s the price range for 1978 GMC G35 Differentials?

The prices of Differentials for the 1978 GMC G35 range from $1.89 up to $1,191.99 for the most premium parts.

What is the average price of a Differential for a 1978 GMC G35?

The average price for Differentials for the 1978 GMC G35 is $254.14. Keep in mind the variety of part types within our Differential category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Differentials for other GMC G35 model years?

Yes, we carry Differentials for 2 model years of GMC G35s between 1975 and 1977. The following model years are the most popular for Differential purchases: 1977, 1976, and 1975.

What are the cheapest Differentials for my 1978 GMC G35?

The cheapest 1978 GMC G35 Differentials we carry are:

Does Advance Auto Parts sell Differentials for any other 1978 GMC models?

Yes. We stock Differentials for 12 other popular 1978 GMC models. Some of the most popular are 1978 Jimmy Differentials, 1978 Caballero Differentials, 1978 K25 Differentials, 1978 K15 Differentials, and 1978 G25 Differentials.

What types of Differentials do you sell for my 1978 GMC G35?

As of 6/2/26, these are some of the most in-demand types of Differentials for a 1978 GMC G35:

Can I get help with 1978 GMC G35 Differential orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about GMC Differentials and more.

What is your return policy for GMC G35 Differentials?

Advance Auto Parts keeps returns simple. For new GMC G35 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.