Lyall

I know the part # for the valve cover gasket (3930906) but don't know the number for the seal on the valve cover bolt. Is it 3910824 or 3935449 ?
BTW, where can I purchase these parts the cheapest on line?

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"98" 2500, 12 valve, HD5spd, long box, ext cab, 2wd, Dana80, DP Killed, pump 16deg, 212000 kms,

DL1221

Well this may not help you, but I got mine at NAPA, part no VS50215S. They were Cummins parts, in a NAPA package. Valve cover gasket and bolt gasket both come in one package. But they were sold per cylinder.

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• 1996 12-Valve, 2wd, 2500, Auto, Reg Cab, 3.54 Gears, 92k Miles, KDP Fixed, Timing 16°, Full Gauges, 215 Injectors, 100 Plate, 3k GSK, AFC Spring Kit.
  
• 2001 24-Valve, 2wd, 2500, Auto, Quad Cab, 4.10 Gears (I hate them), 90k Miles, Full Gauges, Carter Campaign Pump.
  

patdaly

Got mine from Rock Auto, they say Fel-Pro gaskets are better, don't know that to be the case yet. Under 30 bucks for all 6 and came with the bolt gasket.

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"Brownie"
1997 2500 Ext.cab SLT, 4X4 auto, 3.54 gears, posilock, 98/99 steering conversion. New TC, lovin her again! Sold 3/13/2010, gone but not forgotten.

"Greenie"
1997 2500 Ext. cab SLT, 4X4, NV4500, 3.54 gears, Ready to install SB DD3250, built just 216 trucks after Brownie!