+3 Upper Intercooler Pipe Cold Side Coupler for 2001 Chevy GMC Duramax 6.6l LB7 KB-6.6l2001LB7-CSUICC $36.95 In stock Quantity: 1 Add to Bag Product Details Upper intercooler cold side coupler with clamps. 2.25" ID by 3" ID Fits: 2001 Chevy/GMC 6.6l Duramax LB7 Duramax Engines. *Note: For use with our 3" intercooler tube or similar 3" tubes Save this product for later Favorite
