STC1857 - Distributor Rotor – V8

- €5,40

€5,40

€5,40 - €5,40

€5,40

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Aftermarket: Quality alternative. This is a quality alternative, designed to fit and function like the original part, often at a more competitive price.

Distributor Rotor Arm for the 3.5L V8 petrol ignition system. The rotor arm sits on top of the distributor shaft beneath the cap and rotates to distribute the high-tension spark from the coil to each spark plug lead in firing order.

Fits the V8 distributor across both carburettor (Stromberg/SU) and EFI installations.

Vehicle Model Land Rover Defender up to 2016
Land Rover Discovery 1 1989-1998 (L318)
Range Rover Classic up to 1994
Land Rover Series 2 and 3

Fitment Notes DEFENDER 1987-2006 — 3.5L V8 twin carb petrol (Stromberg & SU distributors); distributor rotor arm
DISCOVERY 1 1989-1998 — 3.5L V8 twin carb & V8 EFI petrol; distributor rotor arm (VIN FA393361-WA799999)
RANGE ROVER CLASSIC 1986-1994 — V8 EFI petrol; distributor rotor arm

Alternative Codes

STC1857RTC3199RTC3340RTC6629

In stock 12 units

11 · Gouda 1 · Drachten

Express delivery available

When will my order arrive?

Order before 15:00 (Mon–Fri): same-day dispatch for in-stock items.
UPS Express (order before 14:00): dispatched today, delivered tomorrow where available.
Netherlands / Belgium / Germany: 2–4 working days.
Other EU countries + UK: 4–8 working days.
Outside EU/UK: delivery times vary — contact us for an estimate.

Items may ship from multiple warehouses at no extra cost.

Job kits containing this part

This part is included in 0 job kit(s) below. Pick the kit that matches your vehicle and job, then add what you need.

Frequently asked questions

What does the STC1857 distributor rotor do on the V8?

The STC1857 distributor rotor arm transfers the high-tension spark from the coil to each spark plug lead in firing order on the 3.5L V8 petrol engine. It clips onto the distributor shaft under the cap and rotates as the engine turns. It suits both carburettor and EFI V8 distributors.

Which models and distributors does the STC1857 rotor fit?

The STC1857 rotor fits the 3.5L V8 in the Defender (1987-2006), Discovery 1 (1989-1998) and Range Rover Classic (1986-1994), covering both Stromberg/SU twin-carb and EFI distributors. Confirm your distributor type by VIN before ordering.

What are the signs a V8 rotor arm needs replacing?

A failing rotor arm usually shows up as misfiring, rough idle or hard starting on the V8. The contact tip burns or the body cracks and tracks spark to earth. It's typically renewed alongside the distributor cap as a set during ignition servicing.

Are there alternative part numbers for this rotor?

Yes, the STC1857 cross-references to earlier Land Rover rotor codes RTC3199, RTC3340 and RTC6629, all of which fit the same V8 distributor. The current STC1857 replaces them across the listed twin-carb and EFI applications.