Product Description
Refresh your Duramax valvetrain with the MAHLE SH-1999S Cam Shaft Bushing Set for 2001–2013 6.6L GM platforms (LB7/LLY/LBZ/LMM/LML). Engineered by Mahle/Clevite in standard-size AL-3 material, this five-piece cam bearing set restores proper oil-film support and cam alignment for long service life in daily work, towing, and performance builds.
Fitment
- 2001–2013 Chevrolet/GMC 2500HD & 3500/3500HD — 6.6L Duramax (LB7, LLY, LBZ, LMM, LML)
- Also fits select Express/Savana vans and medium-duty variants where equipped with 6.6L Duramax
Cross-Reference / Alternatives (Mahle only)
- Mahle TW-610S Thrust Washer Set (pair with main bearings): TW-610S
- Mahle MS-2218H H-Series Main Bearing Set (STD): MS-2218H
- Mahle MS-2218HX H-Series Main Bearing Set (STD + .001): MS-2218HX
- Mahle CB-1805H H-Series Rod Bearing (STD, sold per-rod): CB-1805H
- Mahle CB-1805HX H-Series Rod Bearing (STD + .001, per-rod): CB-1805HX
What’s Included
- (5) Standard-size camshaft bushings — complete set for one engine
- Installation notes: verify housing bores and cam journal sizes; professional installation recommended
Why Buy From CPP Diesel
- Curated Mahle coverage for every Duramax generation
- Fast shipping and diesel-experienced support
FAQ
Will this fit my Duramax?
Yes. Coverage is 2001–2013 6.6L Duramax LB7, LLY, LBZ, LMM, and early LML in Silverado/Sierra HD and applicable GM platforms.
How many bushings are included?
Five — enough to service the entire camshaft.
What size/material are these?
Standard-size AL-3 cam bushings engineered for OE-level durability.
Do I need related bearings?
For a complete bottom-end refresh, pair with Mahle main bearings and thrust washer set (see Cross-Reference links above).
Specifications for Mahle SH-1999S
| Attribute | Value |
|---|---|
| Brand | Mahle / Clevite |
| Part Number | SH-1999S |
| UPC | 027067398093 |
| GTIN | 027067398093 |
| Engine Compatibility | 2001–2013 GM 6.6L Duramax (LB7/LLY/LBZ/LMM/LML) |
| Material / Size | AL-3 cam bushings, standard size |
| Package Dimensions (W × H × D) | 3.00" × 6.00" × 6.00" |
| Shipping | Calculated at Checkout |
| Prop 65 | See www.P65Warnings.ca.gov. |
