Transfer Case Fluid
Shop Cost
~$130
DIY Parts
~$25
You Save
~$105
Tools needed (one-time, if you don't own them)~$105
Tools Required (4)
Socket/wrench set
Drain pan
Fluid pump
Allen key
Parts & Consumables
Transfer case fluid
Pro Tip Fill plug first. Exact spec fluid.
🚗 Vehicle-Specific Notes
Ford F-150
BW4417/4R70: fill plug on side. Mercon LV. Electronic shift models need correct fluid.
Toyota
Tacoma/4Runner: 10mm Allen drain and fill. Toyota ATF WS or 75W GL-5 depending on model.
Jeep
NP231/NP242: ATF+4 fluid. Fill plug on passenger side. Check for leaks at output seals.
Chevrolet
NP263: Auto-Trak II fluid. DO NOT substitute. Specific to GM transfer cases.
Subaru
Center diff is part of transmission. Not separately serviceable. Change trans fluid instead.
❓ Common Questions
What tools do I need for a transfer case fluid?
You need 4 tools: Socket/wrench set, Drain pan, Fluid pump, Allen key. Parts required: Transfer case fluid.
How much does a transfer case fluid cost DIY vs shop?
A shop charges approximately $130. Doing it yourself costs about $25 in parts, saving you $105.
How hard is a transfer case fluid to do yourself?
Rated Easy (2/5 difficulty). Typically takes 30-60 min. Fill plug first. Exact spec fluid.
How often should you do a transfer case fluid?
Recommended Every 30-60K mi (approximately every 50,000 miles).
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