📝 Description: This original Volvo OEM retarder control switch, PN 20399175, is suitable for fitting onto Volvo FH12, FH16, FM, FMX trucks and B-series buses. It comes with a 9-pin female connector and has been tested for proper functionality. Ideal as a replacement or spare part for Volvo heavy-duty vehicles.
Compatible alternative part numbers: 21759601, A0639‑006‑02, A0639‑007‑02, 3040. Includes standard 1–3 month warranty (varies by seller).
🚛 Shipping & 🔁 Returns:
We
ship across UK/EU with tracked services. Returns accepted within 30
days; buyer pays return postage. Please inspect upon arrival and message
us with any concerns.
🛡 Why Buy From Us:
Genuine part, 3-month warranty, fast dispatch, secure packaging.