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When building your own transmission cooler lines for your 6.6l Duramax / Allison equipped truck these washers are a necessity.

They slip over the fittings threads and hold the transmission cooler in place inside the end tank on the radiator. Their thin construction allows the o-ring fitting to seal without the washer interfering.

Washers sold as a pair.

For use on 2001-2016 6.6l Duramax & 8.1l Applications

KB Diesel Performance LLC

Radiator Fitting Washers for Aftermarket Allison Transmission Cooler Lines Pair

SKU KB-ATCW
$16.95

When building your own transmission cooler lines for your 6.6l Duramax / Allison equipped truck these washers are a necessity.

They slip over the fittings threads and hold the transmission cooler in place inside the end tank on the radiator. Their thin construction allows the o-ring fitting to seal without the washer interfering.

Washers sold as a pair.

For use on 2001-2016 6.6l Duramax & 8.1l Applications
$16.95

When building your own transmission cooler lines for your 6.6l Duramax / Allison equipped truck these washers are a necessity.

They slip over the fittings threads and hold the transmission cooler in place inside the end tank on the radiator. Their thin construction allows the o-ring fitting to seal without the washer interfering.

Washers sold as a pair.

For use on 2001-2016 6.6l Duramax & 8.1l Applications

Frequently Bought Together

Total price$2,149.85