Looking for aftermarket parts to modify or upgrade your Toyota 4Runner with differentials? At Tunersports.com we carry a huge selection of the top name brand performance differential parts and accessories for your 4Runner.
Whether you have a 1984 or 2023 Toyota 4Runner in 40th Anniversary Edition to Venture trim we have you covered. We have 17 differentials available to mod your 4Runner. All parts have free shipping to the Continental US 48 States.
 IN STOCK 170112A differential/axle breather serves the important purpose on a 4WD vehicle of venting the air pressure in drivetrain assemblies such as the differential, transmission and transfer cases. Many drivetrain assemblies are fitted with a breather from the factory. These factory breathers are usually a one... ARB Differential Breather Kit 1984-1989 Toyota 4Runner DLX 1984-2015 Toyota 4Runner SR5 1996-2001 Toyota 4Runner Base 1996-2015 Toyota 4Runner Limited 2003-2009 Toyota 4Runner Sport 2010-2015 Toyota 4Runner Trail 2015-2015 Toyota 4Runner TRD Pro $94.16 |
 IN STOCK RD111Air locker locking differentials allow you to tackle the toughest terrain. The worlds premier traction aid, ARB air lockers keep you moving in all conditions.A complete air locker kit: replacement differential, activation switch, solenoid valve, air line and bulkhead fittings.... ARB Airlocker 30Spl 3.91&Up Toyota 8In Ifs 53mm Brg S/N.. 2003-2009 Toyota 4Runner Sport 2003-2023 Toyota 4Runner Limited / SR5 2010-2016 Toyota 4Runner Trail 2015-2023 Toyota 4Runner TRD Pro 2017-2023 Toyota 4Runner TRD Off-Road 2018-2023 Toyota 4Runner SR5 Premium / TRD Off-Road Premium 2020-2021 Toyota 4Runner Nightshade / Venture 2021-2022 Toyota 4Runner Trail 2022-2023 Toyota 4Runner TRD Sport 2023-2023 Toyota 4Runner 40th Anniversary Edition $1,091.00 |
 IN STOCK RD121Air locker locking differentials allow you to tackle the toughest terrain. The worlds premier traction aid, ARB air lockers keep you moving in all conditions.A complete air locker kit: replacement differential, activation switch, solenoid valve, air line and bulkhead fittings.... ARB Airlocker 30Spl 3.73&Dn Toyota 8In Ifs 53mm Brng S/N.. 2003-2009 Toyota 4Runner Sport 2003-2023 Toyota 4Runner Limited / SR5 2010-2016 Toyota 4Runner Trail 2015-2023 Toyota 4Runner TRD Pro 2017-2023 Toyota 4Runner TRD Off-Road 2018-2023 Toyota 4Runner SR5 Premium / TRD Off-Road Premium 2020-2021 Toyota 4Runner Nightshade / Venture 2021-2022 Toyota 4Runner Trail 2022-2023 Toyota 4Runner TRD Sport 2023-2023 Toyota 4Runner 40th Anniversary Edition $1,091.00 |
 IN STOCK RD132Air locker locking differentials allow you to tackle the toughest terrain. The worlds premier traction aid, ARB air lockers keep you moving in all conditions.A complete air locker kit: replacement differential, activation switch, solenoid valve, air line and bulkhead fittings.... ARB Airlocker 10 Bolt 30Spl Toyota 8In 50mm Brng S/N. 1984-1989 Toyota 4Runner DLX 1984-2011 Toyota 4Runner SR5 1996-2001 Toyota 4Runner Base 1996-2011 Toyota 4Runner Limited 2003-2009 Toyota 4Runner Sport 2010-2011 Toyota 4Runner Trail $1,091.00 |
 IN STOCK RD193Air locker locking differentials allow you to tackle the toughest terrain. The worlds premier traction aid, ARB air lockers keep you moving in all conditions.A complete air locker kit: replacement differential, activation switch, solenoid valve, air line and bulkhead fittings.... ARB Airlocker Rear Toyota Prado 150 Rr S/N.. 2010-2016 Toyota 4Runner Trail 2010-2023 Toyota 4Runner Limited / SR5 2015-2023 Toyota 4Runner TRD Pro 2017-2023 Toyota 4Runner TRD Off-Road 2018-2023 Toyota 4Runner SR5 Premium / TRD Off-Road Premium 2020-2021 Toyota 4Runner Nightshade / Venture 2021-2022 Toyota 4Runner Trail 2022-2023 Toyota 4Runner TRD Sport 2023-2023 Toyota 4Runner 40th Anniversary Edition $1,091.00 |
 IN STOCK RD90Air locker locking differentials allow you to tackle the toughest terrain. The worlds premier traction aid, ARB air lockers keep you moving in all conditions.A complete air locker kit: replacement differential, activation switch, solenoid valve, air line and bulkhead fittings.... ARB Airlocker 10 Bolt 27 Spl Toyota Ifs 7.5 S/N 1986-1989 Toyota 4Runner DLX 1986-2002 Toyota 4Runner SR5 1996-2001 Toyota 4Runner Base 1996-2002 Toyota 4Runner Limited $1,091.00 |
 IN STOCK - DROPSHIPS YDGT8-30-1Yukon Gear and Axles Dura Grip positraction limited slip differential provides smooth yet aggressive traction to give you the confidence and performance you need in a variety of terrains. The Dura Grip posi limited slip is engineered for long life, and is completely rebuildable. Dura Grips are built... Yukon Gear Dura Grip Positraction For Toyota 8in w/ 30 Spline Axles / 4 Pinion 1984-1989 Toyota 4Runner DLX 1984-1995 Toyota 4Runner SR5 $822.89 |
 IN STOCK YDGTV6-30-1Yukon Gear and Axles Dura Grip positraction limited slip differential provides smooth yet aggressive traction to give you the confidence and performance you need in a variety of terrains. The Dura Grip posi limited slip is engineered for long life, and is completely rebuildable. Dura Grips are built... Yukon Gear Dura Grip Positraction For Toyota V6 Rear 1984-1989 Toyota 4Runner DLX 1984-2009 Toyota 4Runner SR5 1996-2001 Toyota 4Runner Base 1996-2009 Toyota 4Runner Limited 2003-2009 Toyota 4Runner Sport $781.89 |
 IN STOCK YGLT8-30The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Grizzly Locker For Toyota 8in / 4 Cylinder 1984-1989 Toyota 4Runner DLX 1984-1995 Toyota 4Runner SR5 2010-2010 Toyota 4Runner SR5 $925.89 |
 IN STOCK - DROPSHIPS YGLTV6-30The Yukon Grizzly Locker is the ultimate in mechanical locking differentials for street, off-road, and drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns.... Yukon Gear Grizzly Locker For Toyota V6 1985-1989 Toyota 4Runner DLX 1985-2009 Toyota 4Runner SR5 1996-2001 Toyota 4Runner Base 1996-2009 Toyota 4Runner Limited 2003-2009 Toyota 4Runner Sport $888.89 |
 IN STOCK - DROPSHIPS SL T7.5-27USA Standard Spartan Locker For Toyota 7.5in w/ 27 Spline Axles / Incl. Heavy-Duty Cross Pin Shaft 1986-1989 Toyota 4Runner DLX 1986-2002 Toyota 4Runner SR5 1996-2001 Toyota 4Runner Base 1996-2002 Toyota 4Runner Limited $599.89 |
 IN STOCK - DROPSHIPS SL T8-30USA Standard Spartan Locker For Toyota 8in Diff w/ 30 Spline Axles 1984-1989 Toyota 4Runner DLX 1984-1995 Toyota 4Runner SR5 $619.89 |
 IN STOCK - DROPSHIPS SL TV6-30USA Standard Spartan Locker For Toyota V6 w/ 30 Spline Axles 1985-1989 Toyota 4Runner DLX 1985-2009 Toyota 4Runner SR5 1996-2001 Toyota 4Runner Base 1996-2009 Toyota 4Runner Limited 2003-2009 Toyota 4Runner Sport $514.89 |
 IN STOCK - DROPSHIPS SL XP-T7.5USA Standard Spartan Locker 7.5in Toyota Spartan Locker Cross Pin 1986-1989 Toyota 4Runner DLX 1986-1995 Toyota 4Runner SR5 $51.51 |
 IN STOCK - DROPSHIPS SL XP-T8USA Standard Spartan Locker 8in Toyota Spartan Locker Cross Pin 1984-1989 Toyota 4Runner DLX 1984-1995 Toyota 4Runner SR5 $51.51 |
 IN STOCK - DROPSHIPS ZP FST8-30USA Standard Spool For Toyota 4 Cylinder 1984-1989 Toyota 4Runner DLX 1984-1995 Toyota 4Runner SR5 $218.89 |
 IN STOCK ZP FSTV6-30USA Standard Spool For Toyota V6 1985-1989 Toyota 4Runner DLX 1985-2009 Toyota 4Runner SR5 1996-2001 Toyota 4Runner Base 1996-2009 Toyota 4Runner Limited 2003-2009 Toyota 4Runner Sport $218.89 |