2003 Toyota Tundra Differentials

Essential 2003 Toyota Tundra Differentials

Dorman – Rear Differential Cover (Part No.926-958)

Rear Differential Cover

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$107.99
When the thin-gauge steel corrodes on Sequoia, Tacoma, Tundra truck rear differential covers, the typical solution has been to replace the entire axle. This Dorman OE FIX weld-on solution allows direct replacement of only the failed cover.

Product Features:
  • Rear Differential Cover
  • Rear Differential Cover
  • When the thin-gauge steel corrodes on Sequoia, Tacoma, Tundra truck rear differential covers, the typical solution has been to replace the entire axle. This Dorman OE FIX weld-on solution allows direct replacement of only the failed cover.
  • Direct replacement – this weld-on differential cover directly replaces a corroded original cover on certain Sequoia, Tacoma and Tundra trucks
  • Cost-effective repair – rather than buy a new axle, cut off the old cover and weld on this new one
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National – Bearings (Part No.30025)

Bearings

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$89.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Matched cup and cone components ensures consistent quality and outstanding performance
  • Industry leading coverage
  • Professional technicians know they can depend on National
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Yukon Gear – 07 And Up Tundra Front Pinion Nut (Part No.33159)

07 And Up Tundra Front Pinion Nut

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$23.99
07 and up Tundra front pinion nut.

Product Features:
  • Pinion nut
  • Fits 2007 and up Toyota Tundra front
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Yukon Gear – 07 And Up Tundra Front Pinion Seal (Part No.30332)

07 And Up Tundra Front Pinion Seal

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$153.99
07 and up Tundra front pinion seal.Yukon Mighty seal.

Product Features:
  • Pinion seal
  • Fits 2007 and up Toyota Tundra front
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Yukon Gear – Replacement Pinion Depth Shims For Dana 60, 61 & D70-U (Part No.55012)

Replacement Pinion Depth Shims For Dana 60, 61 & D70-U

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$17.99
Product Features:
  • Pinion depth shims for Dana Spicer 60 and 70U
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Yukon Gear – Yoke For ’04 And Newer Toyota T100 And Tacoma (Without Locker) With 30 Spline (Part No.41113)

Yoke For '04 And Newer Toyota T100 And Tacoma (Without Locker) With 30 Spline

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$246.99
Yukon yoke for ’04 and newer Toyota T100 and Tacoma (without locker) with 30 spline. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:
  • Fits 2005 and up Toyota Tacoma and T100
  • 30 spline
  • 66mm x 66mm bolt pattern
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Yukon Gear – Outer Oil Slinger (Part No.33025)

Outer Oil Slinger

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$10.99
Outer oil slinger for Toyota 7.5″, 8″, V6 & Landcruiser.

Product Features:
  • Outer oil slinger for Toyota 7.5″, 8″, V6 and Landcruiser
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Yukon Gear – Ring Gear Bolt (Part No.33060)

Ring Gear Bolt

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$6.99
Ring Gear bolt for Toyota 7.5″, 8″, V6, Landcruiser reverse front & T100/Tacoma w/ factory locker. 11mm x 1.0.

Product Features:
  • Ring gear bolt for Toyota 7.5″, 8″, 8″ V6, Landrcuiser reverse rotation front and T100 and Tacoma rear with factory locking differential
  • 11mm x 1.0
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Felpro – Differential Carrier Gasket (Part No.RDS 55428)

Differential Carrier Gasket

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$6.49
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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Idemitsu – Type TLS-LV Automatic Transmission Fluid – 1 qt (Part No.30040096-75000C)

Type TLS-LV Automatic Transmission Fluid - 1 qt

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$14.49
Formulated to meet the specific requirements of Toyota, Lexus, and Scion vehicles equipped with conventional (non-CVT) transmissions that require the use of Toyota ATF WS. Recommended for service-fill in all Toyota, Lexus, and Scion automatic transmissions where ATF WS is specified. Fuel economy demands and more sophisticated electronic controls have made automatic transmissions not only more complex, but also unique to each vehicle manufacturer. Long gone are the days of having just a couple choices of automatic transmission fluid type. IDEMITSU is the factory fill Automatic Transmission Fluid (ATF) supplier to most Asian imports. IDEMITSU application-specific ATF products match the exact friction materials and performance requirements of each different vehicle model for which they are made.

Product Features:
  • Precisely engineered frictional characteristics guarantee smooth shifting and outstanding anti-shudder performance
  • Optimized viscosity and advanced friction reducing additive technology provide exceptional fuel economy performance
  • Excellent resistance to oxidation and thermal breakdown provide long fluid life and extended protection
  • Exceptional wear protection of gears and bearings
  • Provides superior deposit control and protects metal surfaces from rust and corrosion
  • Excellent seal compatibility and conditioning reduces risk of fluid leaks due to seal shrinkage, hardening and cracking
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Dorman – Pre-Pressed Rear Axle (Part No.926-148)

Pre-Pressed Rear Axle

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$758.99
Replacing a worn wheel bearing usually requires a time-consuming procedure with a shop press. This Dorman OE FIX loaded axle includes all critical components already assembled for a fast, simple, safe install.

Product Features:
  • Easier installation – this pre-pressed axle assembly includes a new axle shaft, wheel bearing, hub and backing plate pre-assembled and ready to install right out of the box
  • Time saver – eliminates frustrating, unpredictable work required to replace bearings without damaging other components
  • Simpler solution – eliminates the need to use potentially dangerous shop press to perform complete bearing repair
  • Quality tested – this part has undergone try-on, corrosion and material testing to ensure a quality fit and long service life
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Motive Gear – Differential Gear Install Kit (Part No.TOYV6IK)

Differential Gear Install Kit

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$42.99


Product Features:
  • TOYOTA 8″ V6&4CLY TURBO
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Yukon Gear – T100 & Tacoma Roll Pin (Part No.33420)

T100 & Tacoma Roll Pin

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$8.99
Product Features:
  • Roll pin
  • Fits Toyota Tacoma and T100
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USA Standard Gear – Spartan Locker For Toyota 7.5" With 27 Spline Axles, Includes Heavy-Duty Cross Pin Shaft (Part No.17014)

Spartan Locker For Toyota 7.5" With 27 Spline Axles, Includes Heavy-Duty Cross Pin Shaft

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$669.99
The Spartan Locker, by USA Standard Gear, provides reliable traction at a low cost. Give your vehicle great traction and save some cash. Choose a Spartan Locker for better traction. The Spartan locker by USA standard gear is a mechanical locker that replaces the spiders in a standard case. The Spartan locker’s design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap! The couplers and drivers are made from 9310 steel, for added strength. Each Spartan locker carries a one year warranty against defect.

Product Features:
  • Fits Toyota 7.5″
  • Made from 9310 steel for added strength
  • Replaces the spiders in a standard carrier case
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Yukon Gear – T100 & Tacoma Standard Cross Pin Shaft (Part No.33417)

T100 & Tacoma Standard Cross Pin Shaft

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$73.99
Product Features:
  • Cross pin shaft
  • Fits Toyota Tacoma and T100
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Yukon Gear – Minor Install Kit For Toyota T100 And Tacoma Rear Differential (Part No.12069)

Minor Install Kit For Toyota T100 And Tacoma Rear Differential

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$144.99
Yukon Minimum installation kits are a low cost solution for gear changes in newer vehicles where the bearings can be reused. This kit uses all high quality components to ensure a smooth set up. kit includes a pinion seal, crush sleeve (if applicable), complete shim kit, marking compound and brush.

Product Features:
  • Fits Toyota Tacoma and T100 without factory locking differential
  • Included are a pinion seal, crush sleeve, complete shim kit, marking compound and brush.
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Yukon Gear – The Carrier Bearing Puller (Part No.56034)

The Carrier Bearing Puller

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$689.99
The Yukon carrier bearing Puller works with an impact gun to quickly and safely remove carrier bearings without damaging them. This unit comes with a handy bench top stand and works with up to most standard one ton applications. This unit is works with differentials up to one-ton applcations. It is not compatible with Dana 70HD, Dana 80, 10.25″ & 10.5″ Ford, or GM & Chrysler 11.5″ differentials.

Product Features:
  • Carrier bearing puller
  • Works with an impact gun to safely and easliy remove carrrier bearings
  • Not compatible with Dana 70HD, Dana 80, Ford 10.25″ and 10.5″ or Gm and Chrysler 11.5″ applications
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Yukon Gear – Master Overhaul Kit For Toyota 7.5" IFS Differential For T100, Tacoma, And Tundra (Part No.14115)

Master Overhaul Kit For Toyota 7.5" IFS Differential For T100, Tacoma, And Tundra

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$379.99
Yukon Master Overhaul kits give you all the high quality parts you need to start & finish every differential job. Yukon offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit uses premium bearings and races along with high quality seals and small parts. Included in this kit are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), Thread locking compound, and marking compound with brush. Yukon’s Master Overhaul kits are the most comprehensive and complete kits on the market. They do extensive research to ensure that every kit is specially tailored to your application. No side shims.

Product Features:
  • Fits reverse rotation Toyota 7.5″
  • Included are Timken 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 silicone.
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Corteco – Axle Seal (Part No.K4021473844CFW)

Axle Seal

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$8.51
Axle Seal

Yukon Gear – Differential (Part No.26050)

Differential

from

$759.99
Differential

Yukon Gear – Oil Baffle (Part No.33007)

Oil Baffle

from

$7.99
Oil baffle for Toyota Landcruiser reverse rotation front, 8″ IFS front & TV6/Tacoma rear with factory locker.

Product Features:
  • Oil baffle
  • Fits Toyota Landcruiser reverse rotation front
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Yukon Gear – 07 And Up Tundra Rear 10.5" Pinion Gear Thrust Washer With 5.7L (Part No.33397)

07 And Up Tundra Rear 10.5" Pinion Gear Thrust Washer With 5.7L

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$13.99
07 and up Tundra rear 10.5″ pinion gear Thrust washer W/5.7L.

Product Features:
  • Pinion gear thrust washer
  • Fits 10.5″ Toyota Tundra
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Yukon Gear – Pinion Install Kit For Toyota T100 And Tacoma (Without Locking Differential) (Part No.13085)

Pinion Install Kit For Toyota T100 And Tacoma (Without Locking Differential)

from

$399.99
Yukon Pinion installation kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings & races can be reused. This kit uses high quality bearings and races along with a high quality pinion seal and small parts. Included in this kit are the pinion bearings and races, pilot bearing (if applicable), crush sleeve (if applicable), complete pinion shim kit, pinion nut, thread locker, and marking compound with brush. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your pinion gear.

Product Features:
  • Fits Toyota Tacoma and T100 without factory locking differential
  • Included are pinion bearings and races, pinion seal, crush sleeve, complete pinion shim kit, and marking compound with brush.
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Motive Gear – Differential Crush Sleeve (Part No.3954480)

Differential Crush Sleeve

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$5.49


Product Features:
  • CRUSH SLEEVE 12 BLT CAR
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Yukon Gear – Standard Open Spider Gear Kit For Toyota T100 & Tacoma With 30 Spline Axles (Part No.16133)

Standard Open Spider Gear Kit For Toyota T100 & Tacoma With 30 Spline Axles

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$461.99
Yukon standard open spider gear kit for Toyota T100 & Tacoma with 30 spline axles. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. All components come with a one year warranty against manufacturing defects.

Product Features:
  • Spider gear kit
  • Fits Toytoa Tacoma and T100 open differential
  • Includes two side gears, two pinion gears, cross pin shaft, roll pin spider gear thrust washers.
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Yukon Gear – T100 & Tacoma Standard Side Gear Thrust Washer 1.60Mm (Part No.33399)

T100 & Tacoma Standard Side Gear Thrust Washer 1.60Mm

from

$18.99
Product Features:
  • Side gear thrust washer
  • Fits Toyota Tacoma and T100
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Yukon Gear – High Performance Ring & Pinion Gear Set For 10.5" Toyota Tundra With 5.7L (Part No.24633)

High Performance Ring & Pinion Gear Set For 10.5" Toyota Tundra With 5.7L

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$584.99
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.
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Yukon Gear – Ring and Pinion Kit (Part No.24668)

Ring and Pinion Kit

from

$434.99
Ring and Pinion Kit

2003 Toyota Tundra Differentials

Maybe you’re in the middle of a full rebuild of that 2003 Toyota Tundra. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 98 different Differentials in our inventory ranging from $5.49 to $864.99. That means you can find the exact parts or products you need to keep that 2003 Toyota Tundra running smoothly.

Differentials are only as good as their brand. We stock 10 different brands to make sure you have plenty of trusted parts to choose from for your 2003 Toyota Tundra. Valvoline, Yukon Gear, and Motive Gear are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Differentials for your 2003 Toyota Tundra, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 2,276 reviews in this category, some of the top rated parts include Toyota 7.5 Pinion Nut with 4.0 stars.

So if you’re in the market for aftermarket Differentials to keep your 2003 Toyota Tundra rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Differentials Brands To Make Your 2003 Toyota Tundra Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 Toyota Tundra demands trusted brand parts and products to keep it running. Many trusted brands of Differentials make up Advance Auto Parts’ inventory, and all are ready to help make your Tundra the best it can be. Be sure to browse some of our top Differentials brands and parts.

Popular National Differentials

We carry National parts in our stock across Front Differential Pinion Bearings categories, plus more. For a 2003 Toyota Tundra, our most popular National Differentials include:
Bearings
from $89.99
(2)
Bearings
Front Differential Pinion Bearings
Bearings
from $53.99
(1)
Bearings
Front Differential Pinion Bearings

FAQs for 2003 Toyota Tundra Differentials

What are the most purchased Differentials for the 2003 Toyota Tundra?

Out of 98 Differentials for the 2003 Toyota Tundra, the most popular in our inventory are:
3 Qt - Penzoil 80W90 Conventional Gear Oil
from $44.99
This product is not rated
3 Qt – Penzoil 80W90 Conventional Gear Oil
Differential Oil
Differential Crush Sleeve
from $5.49
This product is not rated
Differential Crush Sleeve
Differential Crush Sleeves
Multi Purpose Seal
from $24.29
This product is not rated
Multi Purpose Seal
Differential Pinion Seals

What are the top-rated 2003 Toyota Tundra Differentials?

Top-rated Differentials for your 2003 Toyota Tundra based on customer reviews/ratings are:
Toyota 7.5 Pinion Nut
from $9.99
(1)
Toyota 7.5 Pinion Nut
“Matches OEM nut from 1995 Toyota base model 2wd pickup with 7.5″ rear diff. The casting was not as good as original, it had ripples on the mounting ”