Fuel Injector Pipe Set Replaces Cummins part numbers 3931842 3931843 For B Series 6 Cylinder Engines: 6B, 6BT, 6BTA or 6BTAA ONLY FOR MODELS WITH INLINE FUEL PUMP Not for Rotary Pumps or 24-Valve Models BOTH SIDES NUT DIA AND THREAD = M12X1.75 For other pipe sets please search our eBay store.
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