Quote Originally Posted by PSWired View Post
Well I have quite a list:

Front oxygen sensor for 2002 6L applications: 12565397

Brake booster intake manifold fitting (needed if you got your 6L engine from a truck with hydroboost, and you have a vacuum booster): 12555831

3-wire coolant temperature sensor connector: 12102748

If you want to maintain the integrity of the EVAP system:
EVAP vent valve: 15759044
EVAP vent valve connector: 12101858
Fuel tank pressure sensor connector: 88986451

Fuel system stuff:
Fuel pump module (note, will not fit in 88-95 tanks besides 4 door 95 Yukon/Tahoe): ACDelco MU146 (get it off ebay, much cheaper)
Fuel pump connector: 12167154

4L80e conversion parts:
Dipstick: 15183801
Dipstick tube: 15198439
Dust cover to use with 4.8, 5.3, 6.0L engines: 15765623

GMPP spark plug wires for LS1: 12495519

3 piece "Vortec 6000" engine cover, without hole for EGR valve on passenger side: 15006417, 15006418, 15006419

Mobil 1 oil filler cap: 12555685

If you are using a stock wiring harness and want to be able to remove it, you will need the following connectors:
C100 (engine to body harness): Delco PT1401
C152 (engine to chassis harness): GM 15306199
C153 (engine to 4WD harness): Delco PT420

6L engine gaskets/seals:
Front main seal- 12585673
Rear main seal- 12585671
Front cover gasket- 12574294
Rear cover gasket- 12574293
Top cover gasket- 12558178
Oil pan gasket- 12558760
Head gasket- 12589227
Valve cover gasket (2)- 12560696
Water pump gasket (2)- 12559271
Oil pickup tube o-ring- 12557075

6L engine internal parts:
Main bearings- 1,2,4,5: 89017469 each, 3: 89017470 each
Rod bearings-12493712 each
Valve seals- intake: 12482063 (8) , exhaust: 12482062 (8)
Valve keepers- 10166345 each
installing lq9 in 92 silverodo with nv4500 standard trans what clutch will work