+3 Y-Bridge Inlet O-ring Set for 2005 6.6l LLY Duramax Chevy GMC KB-LLY-YBORINGS $15.95 In stock Quantity: 1 Add to Bag Product Details Cross Reference:: 73050 Pair of O-rings for plenum to Y-bridge connection. Fits: 2005 6.6l Duramax LLY Engines Save this product for later Favorite