Wells 1R1332 Diesel Glow Plug Relay OEM Replacement

The Wells 1R1332 is a diesel glow plug relay designed as a direct OEM replacement for General Motors applications. This relay controls the glow plug system on diesel engines, providing the timed electrical signal that heats the glow plugs for reliable cold-start performance. A failed glow plug relay can result in hard starting, no-start conditions, or intermittent diesel engine operation — making timely replacement essential.

Built by Wells Vehicle Electronics (WVE), a manufacturer with over 120 years of experience producing automotive electrical components, the 1R1332 is engineered to meet or exceed original equipment specifications. It directly replaces the following GM OEM part numbers: 12040822, 12052153, 12088520, 12182099, and 12496078.

Key Features:

• Direct OEM replacement for General Motors diesel glow plug relay
• Engineered to meet or exceed original equipment manufacturer (OEM) specifications
• High-current welded connections for long-term reliability
• Semi-precious metal contacts for consistent electrical performance
• Short-circuit protection built in
• Designed to eliminate known OEM design weaknesses
• Precise fit for straightforward installation

OEM Cross-Reference Part Numbers: GM 12040822, GM 12052153, GM 12088520, GM 12182099, GM 12496078

Wells Vehicle Electronics is the parent company of the WVE brand and a trusted name among professional technicians and DIY mechanics. The 1R1332 is a reliable, quality-built solution for restoring proper diesel cold-start function on compatible GM vehicles.