| AP EXHAUST PRODUCTS
| 9607, 9624 |
| CAR QUEST
| 9607 |
| DONALDSON
| J009607, J009624, X007785, 17061 |
| DRESSER INDUSTRIES/KOMATS
| 90358A, 90368A |
| DYNAFLEX PRODUCTS
| 50TQ500AZ, 50TQ500S |
| ENGINE CONTROL SYSTEMS
| 4367-500, 67-500 |
| FLEXATUBE INDUSTRIES
| 17500 |
| FREIGHTLINER/DAIMLER TRK
| DN J009607, DN X007785 |
| GOERLICH EXHAUST
| 9624 |
| GREAT DANE TRL/ AURORA
| GDA20A500 |
| HEAVY DUTY MANUFACT. INC.
| 20A500, 20S500 |
| I H C TRUCK
| EC50PLA, EC50PLAG, EC50PLB, FLTEC50PLA, FLTXC50PLB, FLTXC50PLS, XH90358A, 2585718C1 |
| KATS / FIVE STAR MFG. CO.
| 100500, 300500 |
| KENAN
| EC50FBC, EC50FBZ, EC50GZ, EC50HD, EC50PLS, EC50PLSG, EC50UZP, WFC5 |
| KENWORTH
| EC50PLS |
| MACK
| 2191J009607, 25172497 |
| NAPA
| 733-3225, 733-5975, 7333225, 7335975 |
| NELSON GLOBAL PRODUCTS
| 90358A, 90368A |
| OTHER
| DN J009607, DN X007785, DONJ009607, DONX007785, FLTEC50PLA, FLTEC500PLAB, 2191J009607, 2191X007785, 25172497, 500SCPF |
| PARTS DISTRIBUTING COMP.
| TLC500A, TLC500S |
| RIKER
| TTA500, TTS500 |
| RYDER FLEET PRODUCTS
| S48 20A500, S48 20S500, S4820A500, S4820S500 |
| S&S TRUCK PARTS INC
| S22685, S22686, S25852, S7687 |
| STEMCO SEALS
| 268-1450, 268-1550, 268-1850, 268-1950 |
| UNKNOWN SUPPLIER
| L50SA |
| VOLVO-WHITE VENDOR DIRECT
| DN J009607, DN X007785 |
| VOLVO/WHITE
| 23504-3814, 25172497, 8071883 |
| WALKER MFG CO/TENNECO
| 33225, 33276, 33970 |
| WORKHORSE PARTS
| 33276, 33970 |