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ERR1084 - Relief Valve Spring by AftermarketEngine Part Land Rover Range Rover Defender, Discovery, Range Rover

ERR1084 - Veer van de overstroomklep

- €15,00
€15,00
€15,00 - €15,00
€15,00
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.
Veer van de overdrukklep is de spiraalveer die de openingsdruk van de oliedruk-overdrukklep in het smeersysteem van de 300Tdi-motor regelt.

De oliedruk-overdrukklep beschermt het smeercircuit door overtollige oliedruk terug te leiden naar het carter wanneer de druk de gekalibreerde drempel overschrijdt. De veer bepaalt deze drempel: een vermoeide of ingezakte veer zorgt ervoor dat de klep voortijdig opent, wat resulteert in chronisch lage oliedruk. Vervanging wordt aanbevolen wanneer de oliepomp of de overdrukklep wordt aangepast.
Vehicle Model Land Rover Defender t/m 2016
Land Rover Discovery 1 1989-1998 (L318)
Range Rover Classic t/m 1994
Fitment Notes DEFENDER — 300TDi
DISCOVERY 1 1989-1998 — 300TDi, tot VIN MA081992
RANGE ROVER CLASSIC 1992-1994 — 300TDi, vanaf VIN JA610294
Alternative Codes
FOUT1084

In stock 6 units
6 · 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 does the ERR1084 relief valve spring do?
The ERR1084 relief valve spring sets the opening pressure of the oil pressure relief valve in the 300Tdi engine. It controls when the valve vents excess oil pressure back to the sump, keeping the lubrication circuit within its designed range.
Where is the relief valve spring located?
The relief valve spring sits in the oil pump relief valve, in the front cover area of the 300Tdi engine. Reaching it typically means removing the front cover or oil pump, so it's usually done during related engine work.
What happens if the relief valve spring weakens?
A fatigued or collapsed relief valve spring lets the valve open too early, causing chronically low oil pressure on the 300Tdi. That can starve bearings of oil. Renewing the spring when the oil pump or valve is disturbed restores correct pressure control.
Does this spring fit my 300Tdi?
This spring fits the Defender 2.5L 300Tdi, Discovery 1 300Tdi up to VIN MA081992, and Range Rover Classic 300Tdi from VIN JA610294 (1992-1994). Confirm your engine is the 300Tdi and check your VIN where a range applies before ordering.

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