2025 Ram 3500 Differentials

Keep Your 2025 Ram 3500 in Top Shape with a Quality Differential

When it comes to maintaining or upgrading your 2025 Ram 3500, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Differential for your 3500. We currently carry a top Differential in stock that is built to last. Whether you’re replacing a damaged Differential or looking to upgrade, our selection for the 2025 Ram 3500 ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.

A Reliable Differential from a Trusted Brand

When it comes to trusted Differential brands, we’ve got you covered. Our inventory features a Differential from Castrol, a brand you can count on. This Differential starts at just $14.79 and has a rating of 5 stars from over 1,168 customer reviews. After you purchase your 2025 Ram 3500 Differential you can scroll below to see options other Ram 3500 owners are loving. Even with only one Differential in stock, you can be confident you’re getting the best option available and designed to fit your 3500 perfectly, offering both functionality and style.

Explore Related Parts

And while you’re here, don’t forget to check out related part categories like Drive Shafts and Axles to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 2025 Ram 3500 running smoothly and looking great.

Essential 2025 Ram 3500 Differentials

Valvoline – Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart (Part No.889785)

Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart

from

$18.99
We’ve squeezed innovation into every ounce of Valvoline FlexFill SAE 75W-90 Full Synthetic Gear Oil, the ultimate gear protection in hypoid rear differentials and non-synchronized manual transmissions. Our unique new flexible pouch makes getting into the tightest places to lubricate gears easier than ever and with less waste. The superior detergent package-based formulation contains fully synthetic basestocks and special additives that help protect parts from rust and corrosion while providing exceptional high and low temperature protection and excellent thermal stability, especially in demanding driving situations such as towing and off-roading. It contains an extreme pressure additive for better load carrying capacity, wear resistance additives that assist in protecting gear teeth, a limited slip additive for optimal clutch pack performance, and an anti-foaming agent for better lubrication and service life. Valvoline FlexFill SAE 75W-90 Full Synthetic Gear Oil is recommended for use in axle applications requiring factory-fill or drain-and-fill levels for limited slip performance.

Product Features:
  • FLEXIBLE POUCH FOR EASIER USE WITH LESS WASTE in tight, hard to reach undercarriage situations.
  • EXCEPTIONAL HIGH AND LOW TEMPERATURE PROTECTION ranging from -30F to 300F degrees for dependable coverage year-round
  • REDUCES CHATTERING AND PROTECTS GEAR TEETH from oxidation, rust, and wear
  • MEETS THE DEMANDS OF CONVENTIONAL AND LIMITED SLIP REAR DIFFERENTIALS where API GL-5 is specified, as well as non-synchronized manual transmissions that require API GL-4 or MT-1 fluid
  • MEETS OR EXCEEDS PERFORMANCE REQUIREMENTS for Mack GO-H and GO-J; API GL-5 and API MT-1; MIL-PRF-2105E; and SAE J2360
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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 Synthetic “Shock Proof” Oil with positraction Additive. 4 Quarts.

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 – 4 Quarts (Part No.15004)

Redline Synthetic "Shock Proof" Oil - 4 Quarts

from

$137.99
Redline Synthetic “Shock Proof” Oil. 4 Quarts.

Product Features:
  • Includes four quarts of Redline Shockproof oil
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Valvoline – SynPower Transmission & Differential Gear Oil: Full Synthetic 75W-140, 1 Gallon (Part No.887344)

SynPower Transmission & Differential Gear Oil: Full Synthetic 75W-140, 1 Gallon

from

$69.99
Valvoline SAE 75W-140 Full Synthetic Gear Oil provides the ultimate gear protection in hypoid rear differentials and non-synchronized manual transmissions. Engineered to outperform, our formulation provides exceptional high and low temperature protection and excellent thermal stability, especially in demanding driving situations such as towing and off-roading. It contains an extreme pressure additive for better load carrying capacity and wear resistance, a limited slip additive for optimal clutch pack performance, and an anti-foaming agent for better lubrication and service life. It’s recommended for conventional rear axles and transmissions requiring EP gear lubes under high speed, high load, high torque and high horsepower conditions.

Product Features:
  • EXCEPTIONAL HIGH AND LOW TEMPERATURE PROTECTION ranging from -22F to 390F degrees
  • REDUCES CHATTERING AND PROTECTS GEAR TEETH from oxidation, rust, and wear
  • FIGHTS CORROSION AND RUST with emulsifying agents and safeguards against impurities, oxidation and thermal breakdown
  • MEETS THE DEMANDS OF CONVENTIONAL AND LIMITED SLIP REAR DIFFERENTIALS where API GL-5 is specified, as well as non-synchronized manual transmissions that require API GL-4
  • MEETS OR EXCEEDS PERFORMANCE REQUIREMENTS for Ford M2C-192A, GM 12346140, Chrysler MS-8985 and API GL-5
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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 Synthetic “Shock Proof” Oil. 3 Quarts.

Product Features:
  • Includes three quarts of Redline Shockproof oil
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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

$41.99
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
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Castrol – Transmax ATF+4 Transmission Fluid, Superior Transmission Life, 1 Quart (Part No.15A9FA)

Transmax ATF+4 Transmission Fluid, Superior Transmission Life, 1 Quart

from

$14.79
Product Features:
  • Technologically advanced, full synthetic formulation provides superior transmission life
  • Engineered with superior base oils to ensure superb low and high temperature performance
  • Certified and approved for all Chrysler cars and trucks that require ATF+4«, Mopar ATF+3«, ATF+2«, ATF+2 Type 7176«, or ATF+«
  • Meets or Exceeds Fiat Chrysler ATF+4« requirements.
  • Packaged in a convenient 1-quart size for easy handling and precise application during maintenance.
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Valvoline – DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart (Part No.798153)

DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart

from

$11.99
Valvoline DEX/MERC ATF is a high-quality transmission fluid formulated to meet the challenging demands of many automatic transmissions. Its responsive low-temperature fluidity is beneficial in both electronic and hydraulic controlled transmissions and transaxles. Recommended for use in the following applications: MERCON*, DEXRON*-III, Ford M2C138-CJ and M2C166-H, Allison C-4 and TES-389, and Caterpillar TO-2.

Product Features:
  • Formulated with premium base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
  • Enhanced anti-shudder protection for smooth shifting and maximum power transfer
  • Developed with anti-wear technology to help improve transmission durability
  • Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
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Mobil 1 – 75W-90 Full Synthetic Gear Lubricant, Extends Gear Life, 1 Quart (Part No.26101)

75W-90 Full Synthetic Gear Lubricant, Extends Gear Life, 1 Quart

from

$19.99
Mobil 1 Synthetic Gear Lubricant LS 75W-90 is a supreme, multi-purpose automotive gear lubricant that helps to provide exceptional thermal stability and resistance to high temperature oxidation, extending gear life due to minimal deposits. Helps to deliver outstanding protection against low speed/high torque wear with the capability to handle severe driving conditions while delivering smooth efficient performance. Mobil 1 Synthetic Gear Lubricant LS provides exceptional shear stability, corrosion protection, and enhanced frictional properties. Compared to conventional hypoid gear lubricants, Mobil 1 LS 75W-90 performs exceptionally over a wide range of temperatures to reduce wear at start up. Mobil 1 gear lube helps to minimize leakage and reduce contamination while providing good resistance to foaming to maintain film strength for reliable lubrication. Meets or exceeds the requirements of the following industry specifications: API GL-5.

Product Features:
  • Mobil 1 LS synthetic automotive gear lubricant exceeds the highest level of performance requirements of modern passenger vehicles
  • Helps to provide exceptional thermal stability and resistance to high temperature oxidation and extend gear life due to minimal deposits
  • Delivers outstanding protection against low speed/high torque wear, handling severe driving conditions with smooth, efficient performance
  • Compared to conventional hypoid gear lubricants, performs exceptionally over a wide range of temperatures to reduce wear at start up
  • Provides exceptional shear stability, corrosion protection, and enhanced frictional properties
  • Manufacturer Part Number: 104361
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Most Popular Differential Oil for 2025 Ram 3500s

Enhance your 2025 Ram 3500 with this popular Differential Oil we have in stock, for $14.79.

Castrol – Transmax ATF+4 Transmission Fluid, Superior Transmission Life, 1 Quart (Part No.15A9FA)

Transmax ATF+4 Transmission Fluid, Superior Transmission Life, 1 Quart

from

$14.79
Product Features:
  • Technologically advanced, full synthetic formulation provides superior transmission life
  • Engineered with superior base oils to ensure superb low and high temperature performance
  • Certified and approved for all Chrysler cars and trucks that require ATF+4«, Mopar ATF+3«, ATF+2«, ATF+2 Type 7176«, or ATF+«
  • Meets or Exceeds Fiat Chrysler ATF+4« requirements.
  • Packaged in a convenient 1-quart size for easy handling and precise application during maintenance.
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Top-Rated Differential Brands For Your 2025 Ram 3500

When it comes to finding the perfect Differential for your 2025 Ram 3500, Advance Auto Parts has you covered with our Differential from Castrol. This popular brand is known for its exceptional customer ratings and competitive prices, under $14.79. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 2025 Ram 3500, providing peace of mind with parts that meet or exceed OEM standards.

A Reliable Castrol Differential For Your 2025 Ram 3500

If you’re looking for a top-quality Differential for your 2025 Ram 3500, Advance Auto Parts has exactly what you need with our Castrol Differentials. This Differential has both durability and a precision fit. Coming in at only $14.79, this is the perfect Differential for your needs and budget. Castrol Differentials for the 2025 Ram 3500 come highly rated, with over 146 customer reviews. Choosing a Castrol Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

FAQs for 2025 Ram 3500 Differentials

What’s the price range for 2025 Ram 3500 Differentials?

We currently have just one Differentials for the 2025 Ram 3500 in stock: Transmax ATF+4 Transmission Fluid, Superior Transmission Life, 1 Quart and it costs $14.79.

Does Advance Auto Parts sell Differentials for other Ram 3500 model years?

Yes, we carry Differentials for 13 model years of Ram 3500s between 2011 and 2024. The following model years are the most popular for Differential purchases: 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, and 2014.

Does Advance Auto Parts sell Differentials for any other 2025 Ram models?

Yes. We stock Differentials for 1 other popular 2025 Ram models. Some of the most popular are 2025 1500 Differentials and 2025 2500 Differentials.

What are the top-rated Differentials that fit the 2025 Ram 3500?

The one 2025 Ram 3500 Differential we have in stock is the Transmax ATF+4 Transmission Fluid, Superior Transmission Life, 1 Quart. It is rated 5 stars and costs $14.79.

What types of Differentials do you sell for my 2025 Ram 3500?

We currently have just 1 Differential in stock for a 2025 Ram 3500, and as of 11/2/25, it is a Differential Oil.

Can I get help with 2025 Ram 3500 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 3500 Differentials?

Advance Auto Parts keeps returns simple. For new Ram 3500 Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.