GM GENUINE HL129
GM GENUINE part number HL129 is a valve lifter in the Engine system. This catalog matches it to 120 year-and-engine configurations from 2000 to 2026.
Verified fitment includes 2026 Cadillac CT4 3.6L V6 Turbocharged ; 2026 Cadillac XT5 3.6L V6 ; 2026 Chevrolet Blazer 3.6L V6 ; 2026 Chevrolet Equinox 1.5L L4 Turbocharged ; 2025 Cadillac CT4 3.6L V6 Turbocharged , plus 115 other configurations. See every vehicle this part fits.
Frequently Asked Questions
What is GM GENUINE HL129?
GM GENUINE part number HL129 is a valve lifter with published application data for 120 vehicle configurations from 2000 to 2026. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does GM GENUINE HL129 fit?
This catalog matches HL129 to 120 year-and-engine configurations from 2000 to 2026. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is GM GENUINE HL129 OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. GM GENUINE HL129 is listed with its manufacturer part number so you can compare it to an OEM number or another brand that covers the same fitment.
AutoFactsDB is reader-supported. As an Amazon Associate, we earn from qualifying purchases made through links on this page — at no extra cost to you.
Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.