Transynd Full Synthetic Transmission Fluid Allison 27101-CTCS 1 Gal

This fluid is highly recommended and compatible for all 2001-Current Duramax diesel trucks with Allison transmissions.

The results are superior with noticeably improved and smoother shifts.  No need to compromise or experiment with other fluids Transynd is the best choice for your Allison. Gears, bearings, bushings, clutches, thrustwashers and other components will benefit from improved viscosity stability and cooler lube oil.

TranSynd's viscosity stability and resistance to thermal breakdown protect your Allison Automatic far better, far longer. And TranSynd™ is highly resistant to oxidation, minimizing chances for sludge and varnish deposits.

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