Product Description
The BD DIESEL 1031361 TapShifter adds modern, button-style gear selection to your 2003–2005 Silverado/Sierra 6.6L Duramax with the Allison 1000. When towing heavy, climbing grades, or passing under load, the TapShifter lets you command upshifts and downshifts on demand—giving you more control over RPM, EGT management, and transmission behavior than “D” alone.
This kit is designed for a clean, OEM-style install and includes a replacement gear shift lever, control module, and dressed harnesses with factory-style plug-in connections. The result is a factory-looking upgrade that delivers confident, repeatable gear selection when it matters most—without a messy wiring job.
Fitment
- 2003–2005 Chevrolet Silverado 2500HD/3500 – 6.6L Duramax (Allison 1000)
- 2003–2005 GMC Sierra 2500HD/3500 – 6.6L Duramax (Allison 1000)
Fitment Note: Intended for 2003–2005 Duramax trucks equipped with the Allison 1000. If you have a 2001–2002 truck, use the 01–02-specific TapShifter version.
Cross-Reference / Compatible BD DIESEL Products
- BD DIESEL 1031360 TAPSHIFTER (01–02 DURAMAX ALLISON 1000)
- BD DIESEL 1604720 SHIFT KIT (ALLISON 1000 2001–2005)
- BD DIESEL 1031315 ALLISON ELECTRONIC PRESSURE CONTROLLER
- BD DIESEL 1061532 COOLER BYPASS DELETE (ALLISON)
FAQ
What does the TapShifter do?
It gives you button-style gear selection so you can upshift/downshift on demand—especially useful for towing, hill climbs, engine braking control, and keeping the truck in the right gear under load.
Is this a clean, plug-in style install?
Yes. The kit is designed around a replacement shift lever, control module, and dressed harnesses with factory-style plug-in connections for a clean, OEM-like installation.
Will this help when towing or on long grades?
Yes. Being able to command gears helps keep RPM where you want it, reduces gear hunting, and can improve overall control on steep grades and while towing.
Specifications for BD DIESEL PRODUCTS 1031361
| Specification | Details |
|---|---|
| Brand | BD Diesel Performance |
| Part Number | 1031361 |
| UPC | not found |
| GTIN | not found |
| Shipping Info | Ships as TapShifter kit (lever, module, harnesses) |
| Prop 65 | WARNING: Cancer & Reproductive Harm – www.P65Warnings.ca.gov |