Product Description
Refresh sealing performance on your 6.5L with the MAHLE HS4021A head set for 1992–2000 GM 6.5L Diesel. This OE-quality upper engine gasket kit includes the gaskets and seals needed to service one or both cylinder heads—built to factory form/fit/function for reliable sealing on stock work trucks and daily drivers.
Fitment
- 1992–2000 Chevrolet/GMC C/K 2500 & 3500 – 6.5L Diesel
- 1994–2000 Hummer H1 – 6.5L Diesel
- 1996–2000 Chevrolet Express / GMC Savana – 6.5L Diesel
Always verify by VIN/RPO before ordering.
Cross-Reference / Related MAHLE Items (CPP Diesel only)
- MAHLE HS4021 HEAD SET (STD OUTPUT 6.5L)
- MAHLE JV1617 REAR MAIN SEAL (92–00 6.5L)
- MAHLE 95-3461 ENGINE GASKET SET (94–00 6.5L)
- MAHLE 4021 CYLINDER HEAD GASKET (94–02 6.5L)
Notes
Inspect block and head surfaces for flatness and finish; use correct torque/sequence. Head bolts/studs are not included.
FAQ
WILL THIS FIT MY 6.5L?
Yes—this head set is cataloged for 1992–2000 GM 6.5L Diesel across C/K trucks, vans, and H1. Verify by VIN/RPO (STD vs H.O.).
ARE HEAD BOLTS OR STUDS INCLUDED?
No. Replace bolts or upgrade to studs during head service.
WHAT’S IN THE BOX?
Upper-engine gaskets and seals required for cylinder head service (both banks), matching OE materials and profiles.
Specifications for Mahle HS4021A
| Attribute | Value |
|---|---|
| Brand | MAHLE |
| Part Number | HS4021A |
| Engine Compatibility | 1992–2000 GM 6.5L Diesel (C/K 2500/3500, H1, Express/Savana) |
| UPC | 757522714433 |
| GTIN | 00757522714433 |
| Shipping | Calculated at checkout; optional shipping insurance available |
| Prop 65 | WARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Learn more |