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STC1697 - Pipe Cylinder 4 High Pressure Fuel Injection - 300TDi by AftermarketEngine Part Land Rover Range Rover Defender, Discovery, Range Rover

STC1697 - Injector Pipe – No.4 – 300TDi

- €19,10
€19,10
€19,10 - €19,10
€19,10
Aftermarket Part
Aftermarket: Quality alternative. This is a quality alternative, designed to fit and function like the original part, often at a more competitive price.
Injector Pipe - No.4 is a rigid high-pressure fuel line in the injection circuit of the 2.5L 300 TDi turbo diesel engine.

It carries metered fuel from the injection pump delivery outlet to the No.4 cylinder injector. Each cylinder is served by its own individually shaped pipe, and the bore and bend of this one set the correct delivery volume and injection timing for its cylinder.

Formed in seamless steel with machined coned unions at each end, it withstands the pump's peak line pressure and seals directly against the pump and injector without an additional gasket.
Vehicle Model Land Rover Defender up to 2016
Land Rover Discovery 1 1989-1998 (L318)
Range Rover Classic up to 1994
Fitment Notes DEFENDER 1987-2006 — 2.5L 300 TDi Diesel Turbo, high-pressure fuel injection pipe cylinder 4
DISCOVERY 1 1989-1998 — 2.5L 300 Tdi (EGR Gem / non-EGR), high-pressure injection pipe cylinder 4, to VIN MA081992
RANGE ROVER CLASSIC 1992-1994 — 2.5L 300 TDi, from VIN JA610294, high-pressure injection pipe cylinder 4
Alternative Codes
STC1697

In stock 4 units
4 · Gouda 0 · 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 is the Injector Pipe No.4 for on a 300Tdi?
The Injector Pipe No.4 is the rigid high-pressure fuel line that carries metered fuel from the injection pump to the No.4 cylinder injector on the 2.5L 300Tdi diesel. It's a seamless steel pipe with coned unions that seal directly against the pump and injector without a gasket.
Are 300Tdi injector pipes cylinder-specific?
Yes, 300Tdi injector pipes are cylinder-specific. Each cylinder has its own individually shaped pipe, and its bore and bend set the correct delivery volume and injection timing for that cylinder. This is the No.4 pipe, so it typically won't interchange with the pipes for cylinders 1, 2 or 3.
Which Land Rovers does this No.4 injector pipe fit?
This No.4 pipe fits the 2.5L 300Tdi engine in the Defender, Discovery 1 up to VIN MA081992, and Range Rover Classic from VIN JA610294. Check your VIN against these breaks to confirm the 300Tdi variant before ordering.
Why would an injector pipe need replacing?
An injector pipe usually needs replacing when fuel weeps from the coned unions or the pipe corrodes or cracks from vibration and chafing. A leaking high-pressure pipe drops injection pressure and is a fire risk beside a hot engine, so it's renewed once weeping shows.

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