Caterpillar Adapter Harness for adapting Cat 3126B, 3126E, C7, or C9 70 Pin chassis electronics to Caterpillar 3116 or 3126 engines with 40 Pin ECM electronics.
This direct-fit adapter harness connects the existing 70 Pin engine control harness from the firewall (from 3126B/3126E/C7/C9 chassis electronics) to the 40 Pin ECM on a Caterpillar 3116 or 3126 engine.
Kit Includes:
- (1) Adapter Harness (Cat 3126B/3126E/C7/C9 70 Pin chassis to Cat 3116/3126 40 Pin ECM)
Compatibility:
- 70 Pin chassis electronics prefixes: 3126B (7AS, 8YL, 9SZ), 3126E (CKM, BKD, HEP), C7 (KAL, WAX, SAP), C9 (9DG, LFE)
- 40 Pin ECM prefixes: 3116 (8WL), 3126 (1WM)
Important Notes:
- The 70 Pin connection is at the firewall harness and the 40 Pin connection is at the ECM.
- Provide the last 6 digits of your chassis VIN and the Caterpillar engine serial number when ordering.
- Confirm exact compatibility with Kustom Truck before ordering.
Key Specifications:
- Adapter harness from 70 Pin chassis electronics to 40 Pin ECM
- Suitable for engine swaps and upgrades in heavy-duty trucks