Transmission Repair
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4HK1
Solenoid Down Shift A/T Transmission Aisin for Isuzu NQR, NPR, NPR-HD, 4HK1, 1998–2007 OEM Replacement
4HK1Solenoid Down Shift A/T Transmission Aisin for Isuzu NQR, NPR, NPR-HD, 4HK1, 1998–2007 OEM Replacement
New OEM Aisin downshift solenoid for automatic transmission in Isuzu NQR, NPR, and NPR-HD (1998–2007) with a 4HK1 5.2L diesel engine. Controls downshifting for smooth transmission operation.
SKU: n/a