Description
Replace your worn or brittle glow plug harness with this Genuine GM OEM Glow Plug Harness, designed specifically for 2020–2025 3.0L LM2 and LZ0 Duramax engines. Over time, exposure to heat, vibration, and road grime can cause the factory harness to harden, crack, or lose conductivity—leading to poor cold starts or failed glow plug operation.
Restore proper function and reliability with this factory-original GM replacement, the same part used on brand new Silverado and Sierra Duramax trucks.
Features & Benefits:
– Genuine OEM GM Part – Same fit, form, and function as the original
– Direct Replacement – No modification required
– Restores Glow Plug Functionality – Eliminates cold-start issues caused by bad harness connections
– Durable Construction – Designed to withstand high temperatures and engine bay conditions
Vehicle Fitment:
2020–2025 Chevrolet Silverado 1500 3.0L Duramax LM2 / LZ0
2020–2025 GMC Sierra 1500 3.0L Duramax LM2 / LZ0
2021–2025 Chevrolet Tahoe / Suburban 3.0L Duramax LM2 / LZ0
2021–2025 GMC Yukon 3.0L Duramax LM2 / LZ0
2020–2025 Cadillac Escalade 3.0L Duramax LM2 / LZ0
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