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Allison Pass Through Connector Seal thumbnail
 
10685 Pass Through Connector Seal, LB7 LLY LBZ LMM LML L5P, 2001-2018 Allison 1000Transmission leaking by wire harness? This is usually the issue.

2500HD 3500 Silverado Sierra 6.6L V8 Duramax diesel:
2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018

$9.95
 
10686 Allison 1000 Pass Through Connector Seal and Body, LB7 LLY LBZ LMM LML L5P, 2001-2017 DuramaxTransmission leaking by wire harness? This is usually the issue

2500HD 3500 Silverado Sierra 6.6L V8 Duramax diesel:
2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017

$19.95
Allison "F" TCC Solenoid, 5 Speed-t
 
8683187 Allison 1000 "F" TCC Solenoid, 5 Speed, LB7 LLY, 2001-2005F solenoid controls TCC operation

2500HD 3500 Silverado Sierra 6.6L V8 Duramax diesel:
2001, 2002, 2003, 2004, 2005

$54.95
NSBU Connector Repair Kit thumbnail
 
10496 Allison 1000 NSBU Connector Repair Kit, LB7, 2001-2004 DuramaxBroken connectors on your Neutral Safety Back Up switch or NSBU Switch?

2500HD 3500 Silverado Sierra 6.6L V8 Duramax diesel:
2001, 2002, 2003, 2004 Early *

$89.95
Allison NSBU Switch with Connector thumbnail
 
10499 Allison 1000 NSBU Switch with Connector Repair Kit, LB7, 2001-2004 DuramaxComes with NSBU Connector Kit

2500HD 3500 Silverado Sierra 6.6L V8 Duramax diesel:
2001, 2002, 2003, 2004 Early

$189.90
2 Way Connector With Wire, Transfer Case and Transmission Speed Sensor-t
 
10402 2 Way Connector With Wire, Transfer Case and Transmission Speed Sensor, Allison 1000Transfer Case and Transmission Speed Sensor
$11.95
Allison Pressure Switch Assembly, LB7/LLY/LBZ/LMM, 2001-2010-t
 
29546972 Allison Pressure Switch Assembly, LB7 LLY LBZ LMM LML L5P, 2001-2017Replacement switch assembly. Fits 01-10
$69.95
Allison NSBU Switch 2001-2004-t
 
29540479 NSBU Switch, LB7, 2001-2004 Allison 1000Updated NSBU switch.

2500HD 3500 Silverado Sierra 6.6L V8 Duramax diesel:
2001, 2002, 2003, 2004 early *

$99.95
Fleece Performance Allilocker, 2001-2016-t
 
FPE-ALILKR Fleece Performance Allilocker, 2001-2016
$179.00
2003-2005 Fleece Performance Tapshifter-t
 
FPE-TAPSHIFTER-35 2003-2005 Fleece Performance TapshifterShift your 2003-2005 GM Allison Transmission with the touch of a button just like the 2006 and newer trucks
$324.95
2001-2002 Fleece Performance Tapshifter-t
 
FPE-TAPSHIFTER-12 2001-2002 Fleece Performance TapshifterShift your 2001-2002 GM Allison Transmission with the touch of a button just like the 2006 and newer trucks
$324.99