The MAPCO Switch Unit Ignition System (80870) is a professional-grade replacement component engineered for long service life and reliable operation across all conditions your vehicle encounters. The part is built to the following specification: Manufacturer Restriction: BOSCH, Vehicle Equipment: 183, Number of pins: Cast Iron -pin connector, Supplementary Article/Info 2: 253. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit SEAT, VW models. All compatibility data is cross-checked against the TecDoc database — select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: 10039, 138007, 14007, 309050352867 and 7 more. Matching these numbers confirms a like-for-like replacement with no loss of function. MAPCO is a recognised supplier of automotive ignition components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.

MAPCO, headquartered in Germany, is an independent aftermarket brand offering a broad range of automotive replacement parts at competitive prices. MAPCO covers steering components, suspension parts, filters, brake parts, and engine accessories for most European and Asian vehicles. Products are manufactured under strict quality control with regular testing to ensure compliance with OE performance standards. MAPCO is a smart choice for price-conscious vehicle owners and workshops seeking reliable replacement parts with broad vehicle application coverage.