Detroit Diesel MCM2.1 120-Pin Connector Repair Kit / Pigtail

Detroit Diesel MCM2.1 120-Pin Connector Repair Kit / Pigtail

The Detroit Diesel MCM2.1 120-Pin Connector Repair Kit is designed to repair damaged or cut harness connectors on Detroit Diesel Engine Control Modules (MCM2.1). If your MCM connector has been compromised due to corrosion, theft, or harness damage, this kit allows you to restore proper electrical connections without replacing the entire engine harness.

Commonly searched as:

• Detroit Diesel MCM 120 pin connector

• MCM2.1 pigtail repair kit

• DDE 0024460135 connector repair

• 0001531422 repair kit

• Detroit Diesel MCM harness replacement

• DD15 MCM connector repair

This repair kit provides a reliable and cost-effective solution for heavy-duty diesel engine applications.

Compatible Detroit Diesel MCM Part Numbers

This kit is compatible with MCM2.1 modules including:

• DDE RA0024460135

• RA0024460135

• A0024460135

• 0024460135

• DDE EA0004467635

• RA0004467635

• A0004467635

• 0004467635

• DDE EA0004466035

• A0004466035

• 0004466035

• RA0004466035

Also compatible with:

• 0001531422 Repair Kit / Pigtail

These part numbers are commonly associated with Detroit Diesel engine control systems.

What’s Included in the Kit

• 1x 120-Position Connector Housing

• 120x Pre-Crimped Wires with Weather Seals (1 FT each)

Each wire is pre-crimped and sealed for easier installation and protection against moisture and environmental exposure.

Designed for Heavy-Duty Diesel Applications

The MCM (Motor Control Module) plays a critical role in engine management and communication. A damaged connector can result in:

• Engine fault codes

• No-start conditions

• Communication failures

• Performance issues

• Costly downtime

This MCM2.1 120-pin connector repair kit restores secure electrical connectivity without requiring full harness replacement.

Built for Harsh Engine Bay Environments

The included sealed terminals and automotive-grade wiring are designed to withstand:

• Heat

• Vibration

• Oil exposure

• Moisture

• Heavy-duty operation

Ideal for diesel repair facilities, fleet maintenance operations, and engine rebuild specialists.

Key Features

• Designed for Detroit Diesel MCM2.1

• 120-pin connector housing included

• 100 pre-crimped sealed wires

• Compatible with multiple DDE part numbers

• Cost-effective alternative to full harness replacement

• Professional-grade diesel repair solution

Important Note

This kit repairs the connector portion only and does not include the MCM module or ECU header.