Retrofit Fillnecks Kits Available for GM Pickups and Cab Chassis

Transfer Flow has introduced an assortment of retrofit fillneck kits for 1999-2008 GM Silverado pickups, and 2003-2008 GM C4500 and C5500 cab chassis.

The design of Transfer Flow's retrofit fillneck kits for GM pickups allow you to fill your diesel pickup at diesel truck stops using the faster fill nozzles! These kits are available for the stock OEM tank as well as Transfer Flow replacement tanks.

GMT-800 conversion fillneck kits are also available from Transfer Flow. They are available for LB7, LLY, LBZ and LMM engines.

Depending on your application, our fillneck kits for GM C4500 and C5000 chassis are available with formed and straight fillnecks.

For more information, call Transfer Flow at (530) 893-5209 or 1-800-442-0056.

Vehicle

Fuel Type

Years

Description

Part Number

Price

GM Silverado

Diesel

1999-04

GMT-800 Conversion Fillneck Kit for LB7 engine

020-01-11725

$199.81

GM Silverado

Diesel

2004-08

GMT-800 Conversion Fillneck Kit for LLY, LBZ, & LMM engine

020-01-13258

$159.52

GM Silverado

Gas

1999-03

GMT-800 Conversion Fillneck Kit

020-01-11724

$188.36

GM Silverado

Gas

2004-08

GMT-800 Conversion Fillneck Kit

020-01-12639

$139.53

GM Silverado

Diesel

2001-04

Fast Filling Retrofit Fillneck Kit for OEM fuel tank

020-01-11726

$138.97

GM Silverado

Diesel

2001-04

Fast Filling Retrofit Fillneck Kit for TFI replacement fuel tank

020-01-11889

$87.83

cab chassis

Diesel

2003-05

Formed fillneck kit for GM C4500/C5500 cab chassis

020-01-12584

$232.17

cab chassis

Diesel

2003-05

Straight fillneck kit for GM C4500/C5500 cab chassis

020-01-12585

$212.95

cab chassis

Diesel

2006-08

Formed fillneck kit for GM C4500/C5500 cab chassis

020-01-13429

$237.07

cab chassis

Diesel

2006-08

Straight fillneck kit for GM C4500/C5500 cab chassis

020-01-13430

$217.85

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GM Retrofit Fillneck Kits