Product Description
Seal it once and forget it. The MAHLE OS32471 engine oil pan gasket is a direct-fit replacement for 2011–2016 GM 6.6L Duramax LML, built to OE standards for long service life and leak-free sealing under heavy tow and work-truck heat cycles.
Fitment
- 2011–2016 Chevrolet Silverado 2500/3500 HD – 6.6L Duramax LML
- 2011–2016 GMC Sierra 2500/3500 HD – 6.6L Duramax LML
Cross-Reference / Related Mahle Items (on CPP Diesel)
- MAHLE OS32284 Oil Pan Gasket (01–10 Duramax)
- MAHLE GS34005 Engine Oil Cooler Gasket Set (01–16 Duramax)
- MAHLE G33742 EGR Cooler Gasket (11–16 Duramax LML)
- MAHLE HS54580C Head Gasket Set (11–16 Duramax LML)
- MAHLE GS33937 Turbocharger Mounting Gasket Set (11–16 Duramax)
Notes
Follow GM service procedures. Some timing cover junctions may require a small dab of RTV; verify pan flange design if using an aftermarket pan.
FAQ
Will this fit my LML Duramax?
Yes—OS32471 is designed for 2011–2016 6.6L Duramax LML (Silverado/Sierra 2500/3500 HD).
Is sealant required?
Use per the GM service manual; a light RTV dab is typically used at specific corners/junctions.
What’s included?
One engine oil pan gasket (lower). Hardware/sealant not included.
Specifications for Mahle OS32471
| Attribute | Value |
|---|---|
| Brand | MAHLE |
| Part Number | OS32471 |
| Engine Compatibility | 2011–2016 GM 6.6L Duramax LML |
| Material / Thickness | Fiber, approx. 1.6 mm (0.06 in) |
| UPC | 027067988034 |
| GTIN | 00027067988034 |
| Shipping | Calculated at checkout; optional shipping insurance available at checkout. |
| Prop 65 | 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 |
