GM

GM White Vent Cap Front Differential for Synthetic Fluid 2001-2003 GM 6.6L Duramax LB7 12479390

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SKU:: 12479390

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GM White Vent Cap Front Differential for Synthetic Fluid 2001-2003 GM 6.6L Duramax LB7 12479390

Early trucks ( 2001-2003) came from GM with a vent cap in the front diff that may not be compatible with synthetic fluid. In fact GM issued a TSB outlining that the vent cap should be replaced if using synthetic fluid. This is only needed if you do not already have the white cap.

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Keith W. Verified Customer

04-16-25

Good company

Recommend this Company

5 / 5

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Brian D. Verified Customer

04-16-25

1st purchase ; good price, shipping was fair Will use this vendor again

Recommend this Company

5 / 5

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Amy B. Verified Customer

04-15-25

easy

Recommend this Company

5 / 5

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Questions & Answers

2001-2004 GM 6.6L DURAMAX LB7 -GM 97188463 LB7 INJECTOR CUP

2001-2004 GM 6.6L DURAMAX LB7 The GM 97188463 LB7 Injector Cup is a direct replacement for your 2001-2004 GM 6.6L Duramax LB7. Damaged or cracked injector cups can cause leaks leading to engine...

$50.85

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GM Transmission Fluid Auxiliary Cooler Connector 2001-2005 GM 6.6L Duramax LB7 LLY 89040281

GM Transmission Fluid Auxiliary Cooler Connector 2001-2005 GM 6.6L Duramax LB7 LLY 89040281For 2001, 2002, 2003, 2004, 2005 GM 6.6L Duramax LB7 LLY

$50.95

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2001-2004 GM 6.6L DURAMAX LB7 -GM 97188733 LB7 FUEL RETURN LINE

2001-2004 GM 6.6L DURAMAX LB7 The GM 97188733 LB7 Fuel Return Line for your 2001-2004 GM 6.6L Duramax is a direct replacement for your OE return line. Sold individually. 2 needed per engine for...

$112.18

$95.00

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GM Fuel Sending Unit Lock Ring 2001-2003 GM 6.6L Duramax LB7 15734494

GM Fuel Sending Unit Lock Ring 2001-2003 GM 6.6L Duramax LB7 15734494Fits 2001, 2002, 2003 GM 6.6L Duramax LB7. ACDelco# TR14

$31.95

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2001-2004 GM 6.6L DURAMAX LB7 -GM 97226202 GLOW PLUG

2001-2004 GM 6.6L DURAMAX LB7 The GM 97226202 Glow Plug is a direct replacement for your 2001-2004 GM 6.6L Duramax LB7. Replacing failed glow plugs can eliminate check engine lights and hard...

$28.20

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GM Main Bearing Cap Bolt 2001-2005 GM 6.6L Duramax LB7 LLY 97209622

GM Main Bearing Cap Bolt 2001-2005 GM 6.6L Duramax LB7 LLY 97209622These bolts are torque to yield and they require replacement every time they are removed. These can not be reused accurately. ...

$3.50

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2001-2004 GM 6.6L DURAMAX LB7 -GM 97728979 FUEL PRESSURE REGULATOR

2001-2004 GM 6.6L DURAMAX LB7 The GM 97728979 Fuel Pressure Regulator is a direct replacement for the factory regulator in your 2001-2004 GM 6.6L Duramax. This factory replacement is built to...

$509.12

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Sale

35% Off

2001-2004 GM 6.6L DURAMAX LB7 -GM 97207227 INNER INJECTOR HARNESS

2001-2004 GM 6.6L DURAMAX LB7 The GM 97207227 Inner Injector Harness is a factory replacement for your 2001-2004 GM 6.6L Duramax LB7. Inner Injector Harness, sold individually. 8 required for...

$354.36

Was: $354.36

$229.99

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GM PCV Valve 2001-2005 GM 6.6L Duramax LB7 LLY 97222874

GM PCV Valve 2001-2005 GM 6.6L Duramax LB7 LLY 97222874For 2001, 2002, 2003, 2004, 2005 GM 6.6L Duramax LB7 LLY

$18.95

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GM White Vent Cap Front Differential for Synthetic Fluid 2001-2003 GM 6.6L Duramax LB7 12479390

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GM

GM White Vent Cap Front Differential for Synthetic Fluid 2001-2003 GM 6.6L Duramax LB7 12479390

GM White Vent Cap Front Differential for Synthetic Fluid 2001-2003 GM 6.6L Duramax LB7 12479390

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