⚙️ BMW F800GS / F800R / F800ST Crankshaft w/ Connecting Rods — OEM 21218537774
New lower-end assemblies for the BMW F800 platform are expensive and increasingly hard to source — this used OEM crankshaft with connecting rods, balance shaft, and bearings gives you a genuine BMW starting point for your rebuild at a fraction of dealer cost. Fits the full GS, R, and ST lineup from 2006 through 2018.
🔩 Why Buy This Assembly
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Broad Fitment: Covers F800GS, F800R, and F800ST across the full 2006–2018 production run — one part number, multiple builds.
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Complete Lower-End Kit: Crankshaft, connecting rods, balance shaft, and bearings all included — everything your machine shop needs to assess and build.
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Genuine BMW OEM: Not aftermarket — this is the factory assembly, part# 21218537774, pulled from a parted F800.
| Attribute |
Specifications |
| OEM Part Number |
21218537774 |
| Compatibility |
BMW F800GS / F800R / F800ST — 2006–2018 |
| Condition |
Used OEM — condition as pictured, sold as shown |
| Components Included |
Crankshaft x1, Connecting Rods (installed), Balance Shaft, Bearings |
🔴 Required Before Installation: Mileage on this assembly is unknown. The crankshaft journals, rod bearing surfaces, and balance shaft must be professionally measured before use. Included bearings are used — replace all bearings before installation. Do not install without a full machine shop inspection.
🔧 Technical Advisory: This part fits multiple F800 variants across a wide year range. Cross-reference your specific model year against the BMW OEM parts diagram before ordering. Condition is as pictured — zoom in on all photos before purchasing.
📦 Shipping Information
• Processing Time: 3 Business Days
• USA: 7–15 Business Days (Standard Air) · 25–30 Business Days (Sea) · up to 40 Business Days if customs inspection
• Europe: 7–15 Business Days (Standard Air) · 35–40 Business Days (Economy Truck/Rail)
• Other Regions: Contact us for a quote
❓ Not sure if this fits your bike? Message us with your VIN and we'll confirm compatibility before you order.
