Product Overview
McLaren Engine Rebuild Service | M838T & M840T | by German AutoHaus
At German AutoHaus, we proudly serve as a hub for McLaren owners in the Pacific Northwest and across the U.S. With over 20 years of European automotive expertise, we specialize in McLaren engine rebuilds, repairs, and performance upgrades. From the M838T to the M840T engine platforms, including the McLaren MP4, 570S, 650S, 675LT, 720S, 765lt and many more! Our team delivers precision craftsmanship and proven reliability.
We take pride in our engine rebuilding process, combining technical knowledge, advanced diagnostic tools, and premium components to restore your McLaren’s performance to factory standards—or beyond.
Our McLaren engine rebuild process includes:
- Complete Teardown & Inspection – Every component is disassembled, measured, and carefully evaluated for wear or damage.
- Professional Cleaning, Washing, & Degreasing – All parts are cleaned in-house to ensure optimal performance and longevity.
- Parts & Components – OEM McLaren parts are always in stock. The rebuild includes all new cam phasers, timing drive components, head gaskets, bolts, seals, and valve adjustments.
- Replacement of Worn or Damaged Components – Any parts showing wear or damage, such as crankshaft, pistons, connecting rods, cylinder sleeves, or rocker arms, are replaced as needed (additional cost applies).
- This meticulous process ensures your McLaren engine operates with maximum reliability, smoothness, and performance, whether for daily driving, spirited performance, or track use.
Applications
Our McLaren engine rebuild services cover the following models and engine codes:
- McLaren MP4-12C – M838T
- McLaren 540C – M838TE
- McLaren 570S / 570GT – M838TE
- McLaren 600LT – M838TE
- McLaren 620R – M838TE
- McLaren 650S – M838T
- McLaren 675LT – M838T
- McLaren 720S – M840T
- McLaren 765LT – M840T
- McLaren GT – M840T
Why Choose German AutoHaus for McLaren Engine Work?
- 20+ years of European car service and performance expertise
- Recognized hub for McLaren owners across the region
- Specialization in McLaren rebuilds, repairs, and performance projects
- OEM McLaren parts + CP-Carrillo internals + ARP fasteners in stock + Pauter + IRP (Italian rod and piston).
- Official McLaren diagnostic tools + advanced Leonardo system
- Fast turnaround times with no waiting for parts
- Serving Woodinville, Bellevue, Seattle, and the Greater Puget Sound Area
- Washington State certified locksmith shop (key programming & security services)
- Nationwide Service Available: If you’re outside Washington, we can arrange freight shipping for your engine. Ship it to our shop, we’ll rebuild it, then send it back fully tested and ready to install.
Whether you’re seeking a factory-spec rebuild, a performance build with upgraded internals, or long-term care for your McLaren, Steso Performance and German AutoHaus work together to provide unmatched quality and service.
McLaren engine rebuild service starts at $24750!
Give us a call today at 425-287-2376 to discuss your McLaren needs.
