2018 Ram 1500 Differentials

Please Select your Vehicle to See Exact Fit Parts

Keep Your 2018 Ram 1500 in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 2018 Ram 1500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Pinion Seals, Differential Bearings, and Differential Axle Shafts. 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 National, Dorman, and Royal Purple. For example, National Differentials start at just $17.49 with an average 4.3 star rating. Dorman and Royal Purple offer similar pricing and quality, backed by strong customer feedback. With over 15,589 reviews and a solid 4 star average, you can shop with confidence knowing other Ram 1500 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2018 Ram 1500 Differential at Advance Auto Parts is around $542.81, with a range that starts at $2.29 and goes up to $2,229.99. With 67 options in stock from 12 trusted brands, finding the right fit is easy. Popular picks like High Performance 5W-30 Synthetic Engine Oil, Better Wear Protection, 5 Quart, High Performance 5W-30 Synthetic Motor Oil, Better Wear Protection, 1 Quart, and Axle Housing Cover Gasket Octagonal Shaped 12 Bolt Hole Gasket start at just $10.49 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Differential, don’t forget to check out other key components like 4WD Components and Universal Joints. At Advance Auto Parts, we’re here to help you keep your 2018 Ram 1500 in peak condition, inside and out.

Essential 2018 Ram 1500 Differentials

Dorman – 4WD Differential Actuator (Part No.600-399)

4WD Differential Actuator

from

$215.99
This differential lock actuator directly replaces the original equipment part on specific vehicle applications. It is reverse engineered to reliably restore proper functionality.

Product Features:
  • Ideal replacement – this differential lock actuator directly replaces the original equipment part on specific vehicle years, makes and models
  • Effective fix – installation addresses inoperative differential lock caused by failed original actuator
  • Cost-effective solution – offers original equipment fit and function at a competitive price
  • Trustworthy quality – backed by a team of designers and engineers in the United States
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Yukon Gear – Bearing Install Kit for ’03 and Newer Chrysler 9.25" Diff. for Dodge Truck (Part No.11096)

Bearing Install Kit for '03 and Newer Chrysler 9.25" Diff. for Dodge Truck

from

$454.99
Yukon Bearing Installation Kits are perfect for shops and builders who have shims on the shelf and are looking to save cost over a Master Overhaul Kit. This kit uses Timken bearings and races along with all high-quality small parts. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to properly install your ring and pinion gear set.

Product Features:
  • Fits Chrysler 9.25″ front
  • Included are carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve, marking compound and brush.
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Yukon Gear – 9.25" AAM Front Solid Axle Pinion Seal, 2003 & Up (Part No.30237)

9.25" AAM Front Solid Axle Pinion Seal, 2003 & Up

from

$26.99
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
  • Fits Chrysler 9.25″ front
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Yukon Gear – Side Gear Thrust Washer Kit for Chrysler 9.25" ZF Rear (Part No.33552)

Side Gear Thrust Washer Kit for Chrysler 9.25" ZF Rear

from

$128.99
Yukon 1541H alloy right hand rear axle for Model 35 with a 51 tooth, 2.7″ ABS ring. axle has a length of 29-1/4″ and 27 splines. Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a Limited warranty against manufacturing defects. This is a C-clip axle.

Product Features:
  • 27 spline
  • 5 x 4.5″ bolt pattern
  • 29.25″ long
  • Fits AMC Model 35 in 1990-1999 Jeep
  • Right hand side
See More

Royal Purple – High Performance 5W-30 Synthetic Engine Oil, Better Wear Protection, 5 Quart (Part No.51530)

High Performance 5W-30 Synthetic Engine Oil, Better Wear Protection, 5 Quart

from

$45.99
Royal Purple Motor Oil is a specially formulated multi viscocity oil for use in gasoline and diesel engines of all types from cars and trucks to SUVs, motorcycles and boats. Royal Purple(R) Motor Oil with Synerlec(R) additive technology reduces friction, which results in a 1-3 percent increase in horsepower, lowers operating temperatures, provides superior corrosion protection, improves fuel economy, reduces emissions and extends oil life. A.P.I. Certified.

Product Features:
  • Better wear protection
  • Increased fuel efficiency
  • Better protection of the expensive catalytic emission system
  • Improved compatibility with fuels containing ethanol
  • Superior corrosion protection
  • Meets ILSAC GF-5 and Dexos1 performance requirements
See More

Dorman – Oil Drain Plug Differential Plug 2008-2000, Head Size (Part No.090-062CD)

Oil Drain Plug Differential Plug 2008-2000, Head Size

from

$9.99
This differential cover plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this differential cover plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and Length service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

USA Standard Gear – Differential Spider Gear Kits (Part No.39034)

Differential Spider Gear Kits

from

$239.99
Pinion nut for GM 12 bolt car & truck, 55-62 car & truck, 8.2″, 8.2″ Buick/Olds/Pontiac & 63-79 Corvette. 1 1/8″ socket, 7/8″ x 16 thread.

Product Features:
  • Spider gear kit
  • Fits 2011 and newer Chrysler 9.25″ rear
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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Driveworks – Taper Bearing Set (Part No.S-A-38)

Taper Bearing Set

from

$13.99
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

Yukon Gear – Pinion Install Kit for ’03-Up Chrysler Dodge Truck 9.25" Front Diff (Part No.13094)

Pinion Install Kit for '03-Up Chrysler Dodge Truck 9.25" Front Diff

from

$284.99
Yukon Pinion Installation Kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings and races can be reused. This kit features Timken bearings and races along with high-quality seals and small parts. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your gear set.

Product Features:
  • Fits Chrysler 9.25″ front
  • Included are pinion bearings and races, pinion seal, crush sleeve, complete pinion shim kit, and marking compound with brush.
See More

Yukon Gear – Dura Grip For 2011 & Up Chrysler 9.25Zf Rear (Part No.26036)

Dura Grip For 2011 & Up Chrysler 9.25Zf Rear

from

$999.99
The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip uses a nodular case and forged 4320 internals for added strength along with composite clutches for high performance and long life. All units are Rebuildable and many offer upgrades to increase aggressiveness for racing applications. Each unit carries a one year warranty against defects.

Product Features:
  • Fits 2011 and up Chrysler 9.25″ rear
  • 4-spring, clutch style positraction
  • Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
  • Fully rebuildable
  • Assembled in the USA
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Spartan – Drive Axle Assembly; Dodge 1500 P/U 13-16 Lockup Axle (Part No.RAXP2294C)

Drive Axle Assembly; Dodge 1500 P/U 13-16 Lockup Axle

from

$2079.99
Remanufactured Rear Axle assemblies are completely disassembled and thoroughly cleaned and reassembled using new wear parts: gears, pinions, assembly bolts, bearings, seals, etc. Each unit is micrometer checked for proper gear mesh. Units are assembled, sealed and include backing plates, axle shafts and fluid. Axles are packaged in heavy plastic to protect the unit & aid in returning the core.

Product Features:
  • Rear axles are assembled with backing plates & axle shafts, and filled with fluid prior to shipping
  • Axles are fully painted & shipped securely in environmentally safe and recyclable containers that are the perfect size for returning your original core
  • Our complete Rear axle assemblies mean you just hang brakes, connect suspension & go! Your installation will be simple and trouble free
  • Remember to match axle ratio to original. For 4WD rear axle must match front axle ratio
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Yukon Gear – Replacement Carrier Shim Kit For Dana Spicer 44, 30 Spline Axles (Part No.55010)

Replacement Carrier Shim Kit For Dana Spicer 44, 30 Spline Axles

from

$15.99
Yukon 1541H alloy replacement rear axle for Dana 80, 37 spline (34.0->36.5) Full float axle (8X3.96). Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a one year warranty against manufacturing defects. This is a full-floating axle.

Product Features:
  • Carrier shim kit for Dana Spicer 30 with 30 spline axles
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National – Shaft Repair Sleeve (Part No.99166)

Shaft Repair Sleeve

from

$34.99
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:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
See More

Yukon Gear – Crush Sleeve (Part No.33099)

Crush Sleeve

from

$13.99
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 Chrysler 9.25″ front, GM 8.6″ IRS, 9.25″ IFS and 9.5″
  • 0.640″ tall
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Dorman – Front Differential Pinion Seal Kit (Part No.697-150)

Front Differential Pinion Seal Kit

from

$74.99
The components in this differential pinion flange kit are designed to match the fit and function of the original components needed to replace the pinion flange on a differential during service or when the original components have failed. The components are engineered from durable materials to ensure reliable service on specified vehicles.

Product Features:
  • Ideal solution – kit includes the components required to replace the pinion flange on a differential during service or when the original components have failed
  • Direct replacement – the components in this differential pinion flange kit are designed to match the fit and function of the original components on specified vehicles
  • Durable construction – the components in this kit are made of quality materials for reliable performance and long service life
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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National – Bearing Race (Part No.LM102911)

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

Driveworks – Taper Bearing Cone (Part No.S-LM-104949)

Taper Bearing Cone

from

$11.99
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

Motive Gear – Ring Gear Bolt (Part No.1304)

Ring Gear Bolt

from

$7.99


Product Features:
  • CHRY 8 3/4″ RING GEAR BOLTS C 8.25″
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Dorman – Differential Pinion Flange Kit (Part No.697-020)

Differential Pinion Flange Kit

from

$188.99
A worn or damaged differential pinion flange can lead to driveline vibrations and fluid leaks. This part is designed to match the performance of the original equipment pinion flange on specified vehicles. It has been engineered to help restore a secure and reliable connection between the differential pinion and the drive shaft when the original flange is rusted, worn or damaged. It is made of rugged materials for reliable service and durability.

Product Features:
  • Direct replacement – this differential pinion flange is designed to match the performance of the original equipment flange on specified vehicles
  • Ideal solution – engineered to help restore a secure and reliable connection between the differential pinion and the drive shaft when the original flange is worn or damaged
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
See More

USA Standard Gear – Ring/Pinion Sets (Part No.36351)

Ring/Pinion Sets

from

$579.99
Ring/Pinion Sets

National – Shaft Repair Sleeve (Part No.99181)

Shaft Repair Sleeve

from

$37.99
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:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
See More

Felpro – Axle Housing Cover Gasket Irregular Shaped 14 Bolt Hole Gasket (Part No.RDS 55472)

Axle Housing Cover Gasket Irregular Shaped 14 Bolt Hole Gasket

from

$42.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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USA Standard Gear – Differential Rebuild Kit (Part No.37079)

Differential Rebuild Kit

from

$334.99
USA Standard Master Overhaul kits let you finish your install with confidence. This kit uses Koyo bearings and races. Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), threading locking compound, marking compound with brush and gasket.

Product Features:
  • Fits 2001 to 2009 Chrysler 9.25″ rear
  • Uses Koyo bearings and races
  • Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve, thread locker, marking compound with brush and gasket.
See More

Yukon Gear – Minor Install Kit for Chrysler 9.25" Front (Part No.12078)

Minor Install Kit for Chrysler 9.25" Front

from

$68.99
Yukon Minimum Installation Kits are a low-cost solution for ring and pinion gear changes in newer vehicles where the bearings can be reused. Kits include all high-quality components for a smooth differential set up.

Product Features:
  • Fits Chrysler 9.25″ front
  • Included are a pinion seal, crush sleeve, complete shim kit, marking compound and brush.
See More

Dorman – Axle Shaft Assembly (Part No.630-454)

Axle Shaft Assembly

from

$311.99
This axle shaft assembly directly replaces the original equipment on certain vehicles, ready for install right out of the box.

Product Features:
  • Direct replacement – this axle shaft assembly replaces the original equipment on specific vehicle years, makes and models
  • Ready to install – comes pre-assembled for simple installation with no further assembly required
  • Durable construction – designed to rigorous standards and tested to ensure performance
  • Trustworthy solution – backed by team of engineers and quality control specialists in the United States
See More

Yukon Gear – Lh Axle for 2011 Chrysler 9.25" Zf Rear, 34.35" Long, 31 Spline, 5 Lug (Part No.21787)

Lh Axle for 2011 Chrysler 9.25" Zf Rear, 34.35" Long, 31 Spline, 5 Lug

from

$568.99
Yukon Gear & Axle offers an extensive line of general replacement and high-performance axles for passenger car, truck and SUV applications. High quality alloys and the latest in heat-treating technologies provide a stronger-than-stock axle for off-road, on the street, or at the track.

Product Features:
  • Fits 2011 Chrysler 9.25″ ZF rear axle
  • Left hand side
  • 31 spline
See More

Motive Gear – Differential Pinion Shim Kit (Part No.1100)

Differential Pinion Shim Kit

from

$7.99
High-quality Differential Component Shim

Product Features:
  • SHIM KIT FITS-8.25-F7.5-AMC20-GM0
See More

Motive Gear – Differential Pinion Shim Kit (Part No.1102)

Differential Pinion Shim Kit

from

$9.99


Product Features:
  • KIT SHIM PINION
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Most Popular Differential Pinion Seals for 2018 Ram 1500s

Enhance your 2018 Ram 1500 with one of the 3 Differential Pinion Seals we have in stock, starting at just $14.99.

National – Multi-Purpose Seal (Part No.710481)

Multi-Purpose Seal

from

$26.99
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: -40 Deg. F to 400 Deg. F / -40 Deg. C to 204 Deg. C
  • Excellent high temperature capabilities
  • Compatible with wide range of fluids
  • Delivers quality and reliable performance for every type of repair
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National – Pinion Seal (Part No.710988)

Pinion Seal

from

$27.49
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

Schaeffler – Shaft Seal (Part No.SS2937)

Shaft Seal

from

$14.99
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 2018 Ram 1500 Differential Bearing

Upgrade your 1500 with our best-selling Differential Bearing with a 5 Starts rating across 1 review.

National – Bearing Race (Part No.28622)

Bearing Race

from

$17.49
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

Top-Quality Differential Axle Shafts for 2018 Ram 1500s

Choose a high-quality OEM or aftermarket Differential Axle Shaft for Ram 1500s and enjoy top-notch performance from $79.99.

Yukon Gear – RH Axle for ’12-’18 Chrysler 9.25" Zf Rear, 33.89" Long, 31 Spline, 5 Lug (Part No.21790)

RH Axle for '12-'18 Chrysler 9.25" Zf Rear, 33.89" Long, 31 Spline, 5 Lug

from

$754.99
Yukon Gear & Axle offers an extensive line of general replacement and high-performance axles for passenger car, truck and SUV applications. High quality alloys and the latest in heat-treating technologies provide a stronger-than-stock axle for off-road, on the street, or at the track.

Product Features:
  • Fits 2012-2014 Chrysler ZF rear axle
  • Right hand side
  • 31 spline
See More

Yukon Gear – Lh Axle for ’12-’18 Chrysler 9.25" Zf Rear, 34.35" Long, 31 Spline, 5 Lug (Part No.21789)

Lh Axle for '12-'18 Chrysler 9.25" Zf Rear, 34.35" Long, 31 Spline, 5 Lug

from

$454.99
Yukon Gear & Axle offers an extensive line of general replacement and high-performance axles for passenger car, truck and SUV applications. High quality alloys and the latest in heat-treating technologies provide a stronger-than-stock axle for off-road, on the street, or at the track.

Product Features:
  • Fits 2012-2014 Chrysler ZF rear axle
  • Left hand side
  • 31 spline
See More

Dorman – Axle Shaft Replacement Kit (OE Fix) (Part No.630-011)

Axle Shaft Replacement Kit (OE Fix)

from

$1506.99
Axle shaft damaged or bearings worn out? This axle shaft directly replaces the original equipment on certain vehicles, complete with all necessary application-specific installation components.

Product Features:
  • Saves expense – designed to help enable a cost-effective repair vs. buying an entire new front differential assembly when only the drive axle shaft needs to be replaced
  • Direct replacement – this drive axle shaft is designed to match the fit, function and performance of the original equipment on specified Ram vehicles and engineered to help restore axle function
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
  • Contents: Inner Axle Shaft; Outer Axle Shaft; 4WD Collar; Bearings; Axle Seal; O-Ring; Retainer Clips; Dust Shield
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Dorman – Intermediate Axle Shaft Assembly (Part No.630-444)

Intermediate Axle Shaft Assembly

from

$79.99
This axle shaft assembly directly replaces the original equipment on certain vehicles, ready for install right out of the box.

Product Features:
  • Direct replacement – this axle shaft assembly replaces the original equipment on specific vehicle years, makes and models
  • Ready to install – comes pre-assembled for simple installation with no further assembly required
  • Durable construction – designed to rigorous standards and tested to ensure performance
  • Trustworthy solution – backed by team of engineers and quality control specialists in the United States
See More

Top Picks for 2018 Ram 1500 Differential Oil

Invest in one of our 9 durable Differential Oil for your 2018 Ram, knowing you’re getting trusted brands and expert craftsmanship.

Royal Purple – High Performance 5W-30 Synthetic Engine Oil, Better Wear Protection, 5 Quart (Part No.51530)

High Performance 5W-30 Synthetic Engine Oil, Better Wear Protection, 5 Quart

from

$45.99
Royal Purple Motor Oil is a specially formulated multi viscocity oil for use in gasoline and diesel engines of all types from cars and trucks to SUVs, motorcycles and boats. Royal Purple(R) Motor Oil with Synerlec(R) additive technology reduces friction, which results in a 1-3 percent increase in horsepower, lowers operating temperatures, provides superior corrosion protection, improves fuel economy, reduces emissions and extends oil life. A.P.I. Certified.

Product Features:
  • Better wear protection
  • Increased fuel efficiency
  • Better protection of the expensive catalytic emission system
  • Improved compatibility with fuels containing ethanol
  • Superior corrosion protection
  • Meets ILSAC GF-5 and Dexos1 performance requirements
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
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Royal Purple – High Performance 5W-30 Synthetic Motor Oil, Better Wear Protection, 1 Quart (Part No.01530)

High Performance 5W-30 Synthetic Motor Oil, Better Wear Protection, 1 Quart

from

$12.99
High Performance Motor Oil API LICENSED MOTOR OIL Royal Purple High Performance Motor Oil combines premium base oils with proprietary additive technologies to create a high performance synthetic engine oil that optimizes performance and protection. Royal Purple High Performance Motor Oils carry the current API and ILSAC engine oil licenses, as well as the GM dexos1 gasoline engine oil approval. ILSAC GF-6 AND GM DEXOS1 Modern gasoline direct injection (GDI) engines have achieved levels of power and fuel economy never before possible in passenger car engines. As a result, smaller engines operate at much higher loads across all engine speeds. This has caused increased wear in critical areas of the engine, and created a destructive phenomenon called low-speed pre-ignition (LSPI). The unique, state-of-the-art additive technology in Royal Purple High Performance engine oils is designed specifically to address these issues, and help engines maintain performance and reliability.

Product Features:
  • Better Wear Protection
  • Increased Protection against Low Speed Pre-Ignition
  • Increased Fuel Efficiency
  • Better Protection for Vehicle Exhaust Emissions Equipment
  • Improved Compatibility with Fuels Containing Ethanol
  • Superior Corrosion Protection
  • Made in USA
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
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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

Royal Purple – HMX 5W-30 High Mileage Synthetic Motor Oil, Restores Engine Performance, 5 Quart (Part No.11748)

HMX 5W-30 High Mileage Synthetic Motor Oil, Restores Engine Performance, 5 Quart

from

$66.99
Royal Purple HMX SAE 5W-30 High-Mileage Synthetic Motor Oil, 5 quart is specifically designed to minimize wear and restore lost performance in engines with more than 75,000 miles. Formulated with robust zinc/phosphorus anti-wear compounds combined with Royal Purple’s proprietary additive technology Synerlec, HMX is chemically enhanced to revitalize hardened seals, reducing oil consumption common in high-mileage engines. In addition, HMX is fortified with stout detergents to remove engine build-up and deposits, maintain cleanliness and promote engine longevity. 

Product Features:
  • Specifically designed to minimize wear and restore lost performance in engines with more than 75,000 miles
  • Formulated with robust zinc/phosphorus anti-wear compounds combined with Royal Purple’s proprietary additive technology
  • HMX is chemically enhanced to revitalize hardened seals, reducing oil consumption common in high-mileage engines
  • Reduces friction and metal-to-metal contact for peak engine performance
  • Also provides outstanding oxidation resistance to safely extend oil drain intervals, and an ionic attraction to metal surfaces, providing protection and minimizing wear at start-up
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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

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$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
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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
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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
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Our Top-Rated Rear Housing Cover Gaskets for 2018 Ram 1500s

Make a smart move for your 2018 Ram 1500 with our Rear Housing Cover Gasket for $10.49.

Felpro – Axle Housing Cover Gasket Octagonal Shaped 12 Bolt Hole Gasket (Part No.RDS 55073)

Axle Housing Cover Gasket Octagonal Shaped 12 Bolt Hole Gasket

from

$10.49
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
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Top-Rated Differential Brands For Your 2018 Ram 1500

When it comes to finding the perfect Differential for your 2018 Ram 1500, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 12 trusted brands. We carry the most popular Differential brands including Royal Purple, National, and Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $7.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 2018 Ram 1500, providing peace of mind with parts that meet or exceed OEM standards.

Popular Royal Purple 2018 Ram 1500 Differentials

If you’re looking for a top-quality Differential for your 2018 Ram 1500, Advance Auto Parts has exactly what you need with our selection of Royal Purple Differentials. We have 2 Royal Purple Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $12.99 and an average cost of $29.49, you’ll find the perfect Differential for your needs and budget. Royal Purple Differentials for the 2018 Ram 1500 come highly rated, with over 215 customer reviews and an impressive average rating of 4.8 stars. Choosing a Royal Purple Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

Top-Quality National 2018 Ram 1500 Differentials

For those in search of a high-quality Differential for their 2018 Ram 1500, Advance Auto Parts offers a great selection of National Differentials. With 3 National 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 $17.49, with an average price of $28.16, giving you a range of options to suit your budget. Backed by over 13 customer ratings and an average rating of 4.3 stars, National Differentials provide both reliability and excellent performance. Choosing a National Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Bearing Race
from $17.49
(1)
Bearing Race
“I needed them quick an as inexpensive as possible. It was a great buy and experience I would do it again”
Multi-Purpose Seal
from $26.99
(11)
Multi-Purpose Seal
“Works perfectly no leaks! The original was leaking a bit and I needed to do a fluid change anyway.”
Shaft Repair Sleeve
from $39.99
(1)
Shaft Repair Sleeve
“Easy to use, too early to tell how long it will last. It did stop the oil leak with a new oil seal on the front crankshaft pulley. 87 mercedes 300td.”

FAQs for 2018 Ram 1500 Differentials

What are the best-selling Differentials for 2018 Ram 1500s?

Out of 67 Differentials that fit 2018 Ram 1500s, the following parts are the top sellers:

What’s the price range for 2018 Ram 1500 Differentials?

The prices of Differentials for the 2018 Ram 1500 range from $2.29 up to $2,229.99 for the most premium parts.

What is the average price of a Differential for a 2018 Ram 1500?

The average price for Differentials for the 2018 Ram 1500 is $542.81. 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 Ram 1500 model years?

Yes, we carry Differentials for 14 model years of Ram 1500s between 2011 and 2026. The following model years are the most popular for Differential purchases: 2022, 2021, 2020, 2019, 2017, 2016, 2015, 2014, and 2013.

What are the cheapest Differentials for my 2018 Ram 1500?

The cheapest 2018 Ram 1500 Differentials we carry are:

Does Advance Auto Parts sell Differentials for any other 2018 Ram models?

Yes. We stock Differentials for 7 other popular 2018 Ram models. Some of the most popular are 2018 2500 Differentials, 2018 3500 Differentials, 2018 ProMaster 1500 Differentials, 2018 4500 Differentials, and 2018 5500 Differentials.

What are the top-rated Differentials that fit the 2018 Ram 1500?

The one 2018 Ram 1500 Differential we have in stock is the Differential Crush Sleeve. It costs $2.29.

What types of Differentials do you sell for my 2018 Ram 1500?

As of 6/2/26, these are some of the most in-demand types of Differentials for a 2018 Ram 1500:

Can I get help with 2018 Ram 1500 Differential orders?

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

What is your return policy for Ram 1500 Differentials?

Advance Auto Parts keeps returns simple. For new Ram 1500 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.