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Hummer Knowledge Base

The Hummer Knowledge Base

Gaskets, Seals, Boots & O-Rings:


  1. Fuel Filter Bowl - Bottom Gasket / O-Ring (1996 - ?) Diesel
  2. Halfshaft Boots
  3. Transmission Pan Gaskets (1992-1993)
  4. Transmission Pan Gaskets (1995-2004)
  5. Thermostat Gaskets (1998-Current TurboDiesel)
  6. Door Seals
  7. Thermostat Gaskets (1992-Current NA Diesel)
  8. Thermostat Gaskets (1995-1996 Gas)
  9. Oil Pan Gasket - Gas Engines
  10. Misc.


Fuel Filter Bowl - Bottom Gasket / O-Ring (1996 - ?) Diesel

Supplier Part/Product Number Verified
AM General 5742600 HML
GM 12511962 HML


Halfshaft Boots (1994-2004, possibly 1992-93)

Supplier Part/Product Number
AM General Inner: 5742776
Outer: 5742775
AutoZone - Fenco-Dynapack K2206


Table 29a. Transmission Pan Gaskets (1992-1993)

Supplier Part/Product Number Verified
AM General 5740790 HML


Table 29. Transmission Pan Gaskets (1995-2004)

Supplier Part/Product Number Verified
AM General 5743310 HML
GM 8677743 12 HML


Table 30. Thermostat Gaskets (1998-Current TurboDiesel)

Supplier Part/Product Number Verified
AM General 06003901 HML


Door Seals

For a 1998:

Front doors:
Seal, door, black foam, 144" long: 6006447

Seal, body, black foam, 105" long: no part number
cut 105" length from 50' bulk roll of body seal, P/N 5744322

Rear doors:
Seal, door, black foam, 144" long: 6006477
Seal, door, black foam, 106" long: no part number
cut 105" length from 50' bulk roll of body seal, P/N 5744322

2000s use 6006447. This is the door seal on the door not the door seal on the body.

PN# 6006447 was also used on the 1996


Table 31. Thermostat Gaskets (1992-Current NA Diesel)

Supplier Part/Product Number Verified
AM General 05743239 HML
Fel-Pro 23 10-1191  
35289  
NAPA C 30811  


Table 32. Thermostat Gaskets (1995-1996 Gas)

Supplier Part/Product Number Verified
AM General 5743942HML


Oil Pan Gasket - Gas Engines

Supplier Part Number
AM General 5743919
FEL PRO OS34500R


Misc.

TH400 shift shaft seal # 1-3887 napa

removal and install tool for seal kd2393


Footnotes:

12 - OEM permanent gasket

23 - Manufactured by Federal-Mogul Corporation


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