Drivetrain› Automatic Transmissions and Components

Merchant Automotive

~(1 lbs. 10X6X2)~

$364.95

SKU: M01D 10499

In Stock
In Stock
Ships by Jun 7
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Merchant Automotive 10499 Allison NSBU Switch with Connector Repair Kit resolves common Allison transmission problems like no-start, limp mode, and incorrect gear display. It replaces the Neutral Safety Back Up switch, which is prone to failure due to water contamination. This kit ensures accurate transmission position signaling to the TCM, preventing associated trouble codes and restoring proper shifting.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandMerchant Automotive
Part NumberM01D 10499

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy