Maximize your engine's performance with the MAHLE® 4685156STD (MRK3) In-Frame Kit. Designed for the Detroit Diesel® DD15® / Mercedes-Benz OM472LA (14.8L) platform, this in-frame package includes monobloc pistons, honed cylinder liners, rings, Tri-Metal Clevite® bearings, and gaskets in standard sizes. Developed to German OE standards, it restores compression, reduces oil consumption, and extends engine life with minimal downtime.
MAHLE is a leading international development partner and supplier to the automotive industry and a technology driver for the mobility of the future. With a legacy spanning over 100 years, the company operates 127 production locations worldwide to provide innovative solutions for engine components, filtration, and thermal management. MAHLE is guided by the strategic mission "Efficiency in Motion", focusing on high-performance engineering for millions of light and commercial vehicles
Products from MAHLE offer certified quality that meets rigorous automotive standards, including IATF 16949 and ISO 9001. The brand is also a global leader in sustainability, recognized with a Gold Medal from EcoVadis for its environmental, social, and ethical performance. Committed to the Paris Climate Agreement, MAHLE has set a strategic goal to reach carbon neutrality by 2040. Choosing MAHLE components ensures you are utilizing world-class technology designed for maximum vehicle efficiency and environmental responsibility.
Basic Part Information4 attributes
| Product Line | Engine |
|---|---|
| Category Name | Engine Parts |
| Part Type | Inframe Engine Kit |
| Alternate Part Name | Engine Kit, Rebuild Kit, Inframe Engine Kit, Engine Assembly Overhaul Kit, Inframe Kit. |
Application/Fitment Attributes2 attributes
| Engine Generation | Gen 3 |
|---|---|
| Engine Make | Detroit Diesel |
Bill Of Material
| Qty | Component Name | OEM | Mahle MPN |
|---|---|---|---|
| 6 | Cylinder Sleeve | A4720111810 | 2264646 |
| 6 | Piston Ring Set | A4720300424 | S42438 |
| 6 | Connecting Rod Bearings | A4720300960 | CB2003P |
| 7 | Main Bearing Set | A4720300740 | MH4720300240 |
| 1 | Thrust Washer | A4720300445 | TW741S |
| 1 | Cylinder Head Gasket Set | A4710161520 | HS55347 |
| 1 | Oil Pan Set | A4720140322 | MH4720140322 |
| 1 | Piston Kit (1 Piston) | A4720302717 |
Intended Application
- Compatible with Detroit Diesel® DD15® / Mercedes-Benz OM472LA (14.8L) heavy-duty diesel engines in MRK3 upgrade configuration installed in Freightliner® (Cascadia) and Western Star® commercial trucks and tractors; directly interchangeable with OEM chassis kits in standard (STD) size.
- Always compare with your OEM part number prior to purchase to confirm full compatibility.
- MAHLE: 4685154NPSTD, 4685154STD