Clamps - Pipe Description AMK Finish OEM Part # Origin AMK Part # CLICK FOR PRICING 2.0 EXHAUST PIPE CLAMP. 2 pk Mixed Materials or Special Finish (PB~) C5ZZ-5A231-A B-11699 2.0 EXHAUST PIPE CLAMP w CAD NUTS. 2 pk Type 1 (OVA) C6OA-5252-H B-11700 2.0 EXHAUST PIPE CLAMP w PHOS NUTS. 2 pk Type 2 (OVA) C6OA-5252-H B-11701 2.12 EXHAUST PIPE CLAMP. 2 pk Mixed Materials or Special Finish (OVB) C8ZA-5252-E B-11702 2.25 EXHAUST PIPE CLAMP. 2 pk Mixed Materials or Special Finish (OVC) C6OA-5252-F B-11703