2011-2014 LML Duramax Transmission Cooler Line Set Fleece Performance

Stronger, higher-flow cooler lines

Fleece's kit replaces the factory transmission cooler lines on 2011-2014 Chevrolet Silverado / GMC Sierra 2500/3500 LML Duramax with larger, flexible hose and a heavy-duty wrap for protection.

AN fittings, washers and clamps are included so the install is complete the first time.

Who it's for

Owners of 2011-2014 Chevrolet Silverado / GMC Sierra 2500/3500 LML Duramax trucks with leaking or worn cooler lines.

Key specs (per Fleece)

What's included

• 5/8 in. ID transmission lines with AN fittings (3)
• 7/8-14 O-ring to -10AN fittings (6)
• Large OD washers (2)
• Hose clamps, locking cable ties and fir-tree style clamps

Fitment notes

• Fits 2011-2014 Chevrolet Silverado / GMC Sierra 2500/3500 LML Duramax (per Fleece).
• Not for cab and chassis trucks.

Professional install available at Powertech Diesel, Idaho Falls — call 208-542-7793.