EGR Cooler replacement for OE 8-98068164-1. OEM-grade EGR cooler for Isuzu 4HK1 and 6HK1 diesel engines. Replaces 8-98068164-1 and 8-98068164-0. Used in Isuzu NPR/NQR/NRR medium-duty trucks and GMC/Chevrolet W-series. Stainless steel construction, pressure tested before shipping. SUMEC part SMC-LQ-18, fits Isuzu. Verified OE fitment — request a fast quote.
8-98068164-1 EGR cooler — OE Cross Reference
This EGR cooler matches OE 8-98068164-1 (SUMEC PN SMC-LQ-18), a replacement EGR cooler for Isuzu / GMC / Chevrolet diesel applications. Verified application: Isuzu NPR / NQR / NRR 4HK1-TC (2004-2016). Confirm the OE number stamped on your original unit before ordering.
Stainless-steel core, supplied OEM-grade.
Application coverage
- Isuzu NPR / NQR / NRR 4HK1-TC (2004-2016)
- Isuzu FTR / FVR / FXR 6HK1-TC (2004-2016)
- GMC W4500 / W5500 4HK1-TC (2004-2016)
- Chevrolet W4500 / W5500 4HK1-TC (2004-2016)
Frequently asked questions
What does 8-98068164-1 fit? Isuzu NPR / NQR / NRR 4HK1-TC (2004-2016) and related Isuzu / GMC / Chevrolet applications. Match the OE on your old EGR cooler to confirm.
How do I confirm fitment? The OE number is stamped on the original EGR cooler — match it to 8-98068164-1 and compare the port/flange layout. Send a photo of the old part with the OE number for confirmation.
Cross-references are confirmed per vehicle on request — send your OE, engine and chassis and we verify the matching SUMEC part.
Fitment verification
Match the stamped OE to 8-98068164-1, confirm the engine, and compare port positions — Isuzu / GMC / Chevrolet EGR coolers vary by engine variant, emission level and model year. Request a quote with your OE number, engine application, quantity and a photo of the old part for fitment confirmation. Trade terms available upon quotation.