LDCRE Blower Motor Resistor for Hummer H2 2003-2007 — Direct-Fit Heater Fan Control, Restores All Fan Speeds

LDCRE Blower Motor Resistor is a direct-fit replacement module that restores heater and fan speed control for Hummer H2 models from 2003 to 2007.

This blower motor resistor assembly is engineered to match factory fit and function, using reinforced materials and quality testing to meet or exceed OEM expectations. It replaces a long list of original part numbers so you can swap it in without guessing compatibility. Designed for the Hummer H2 (2003–2007), the unit addresses intermittent or lost blower speeds caused by worn resistive elements or corroded connectors.

How will this resistor module affect my Hummer’s heating and cooling performance?

Replacing a failing blower motor resistor restores the multiple fan speeds controlled through your dash. When the resistor or its connector fails, you may lose low or mid fan settings or experience a blower that only works on high. Swapping in this LDCRE unit returns full speed range and steadier airflow.

• Reinstates all factory fan speeds for precise cabin airflow control.
• Prevents intermittent blower operation and sudden speed loss.
• Uses reinforced material to resist heat and vibration in the HVAC housing.

Will this part fit my Hummer H2 and match OEM references?

This module is manufactured to directly replace the original resistor and matches many OEM numbers for reliable cross-fit. It fits Hummer H2 model years 2003, 2004, 2005, 2006, and 2007. Check the listed OE reference numbers against your existing part to confirm correct compatibility before installation.

• Covers OE references: 93803637, 88986529, 15-80388, 15-80655, 15-80911.
• Also replaces: 89023355, 19331830, 19329838, 3GSH-19E624-CA, 4GSH-19E624-AA.
• Designed to fit the Hummer H2 blower motor housing without modification.

How difficult is installation and what tools will I need?

Installation is straightforward for anyone comfortable working in the dash or under the glove box where H2 blower assemblies are commonly accessed. The LDCRE resistor is a direct swap—remove the retaining screws, disconnect the wiring harness, replace the resistor, and secure the unit. No special wiring or splicing is required.

• Typical install time: 15–45 minutes depending on access and experience.
• Tools needed: basic screwdriver set and possibly a trim removal tool.
• Comes as a complete resistor assembly—no extra parts required.

What durability and quality assurances does this replacement offer?

LDCRE builds the resistor with reinforced components and subjects units to pre-shipping testing to ensure reliability under normal use. The design aims to resist heat cycling and vibration found in automotive HVAC environments, helping reduce the likelihood of early failure. While it’s a replacement part, it’s manufactured to meet or surpass common industry standards for blower resistors.

• Constructed from reinforced materials for longer service life.
• Each unit tested before shipment for basic functionality.
• Packaged as a single complete blower motor resistor assembly.

Who is this for: This LDCRE blower motor resistor is intended for Hummer H2 owners and DIY mechanics who need a reliable, direct-fit replacement for failed blower speed control. It’s suited to anyone restoring proper HVAC fan speeds in model years 2003–2007 and who wants a plug-and-play part that matches multiple OEM references for confident installation.