Skip to content
8–23 August: reduced summer staffing. Orders may take up to 5 extra working days to dispatch and emails up to 2 working days to answer. Thanks for your patience.
8–23 Aug: orders may ship up to 5 days later.
ERR3780 - Injector Clamp – 300TDi Engine Part Land Rover Range Rover Defender, Discovery, Range Rover

ERR3780 - Injector Clamp – 300TDi

- €14,10
€14,10
€14,10 - €14,10
€14,10
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 Clamp secures a fuel injector into the cylinder head on the 2.5L 300TDi turbo diesel engine.

It clamps the injector body down against its seat, holding it in position and maintaining the seal to the combustion chamber.
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, fuel injector clamp
DISCOVERY 1 1989-1998 — 2.5L 300 Tdi EGR (Gem), VIN FA393361 to WA799999, to (V)MA081992
RANGE ROVER CLASSIC 1992-1994 — 2.5L TDi, From VIN JA610294
Alternative Codes
ERR3780

In stock 4 units
0 · Gouda 4 · 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 Injector Clamp (ERR3780) do?
The Injector Clamp (ERR3780) secures a fuel injector into the cylinder head on the 2.5L 300TDi turbo diesel engine. It clamps the injector body down against its seat, holding it in position and maintaining the seal to the combustion chamber. Fitted to the Land Rover Defender up to 2016, Discovery 1, and Range Rover Classic.
How many injector clamps does the 300TDi use?
The 300TDi uses one injector clamp per cylinder, so a full set on the 4-cylinder engine typically needs four ERR3780 clamps. This part is sold individually, so order the quantity your injector job requires for the Land Rover Defender up to 2016 or Discovery 1.
Where does the injector clamp sit?
The injector clamp sits on top of the cylinder head, bearing down on the injector body to hold it in its bore on the 2.5L 300TDi engine. It maintains the injector seal against combustion pressure. Fitted across the Land Rover Defender up to 2016, Discovery 1, and Range Rover Classic.