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STC1641G - Decoke Gasket Set – 3.9/4.0/4.2L V8 – EFI

Original price - Original price €89,80
Original price
€89,80
€89,80 - €89,80
Current price €89,80
OEM Part
OEM: Made by an Original Equipment Manufacturer. This part is made by an original equipment manufacturer or under their license, ensuring compatibility and quality.
Brand PR2 Allmakes OE
Decoke Gasket Set for the 3.9/4.0/4.2L Rover V8 EFI petrol engine. This is the set of gaskets and seals used to reseal the top end of the engine - the cylinder heads and upper assembly - after the heads have been removed for decarbonising or overhaul.

It reseals the combustion chambers, coolant and oil passages and the valve cover faces, restoring correct sealing across the mating surfaces on reassembly. Cylinder head bolts are not included and should be obtained separately.

Inspect all mating faces on assembly and replace any component found warped or damaged.
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 Gasket Kit 4.0L V8 L/R EFI Petrol
RANGE ROVER CLASSIC 1992 - 1994 (From JA610294) CLASSICGasket Kit V8 EFI Petrol
Alternative Codes
STC1641GSTC1641STC494

Available to order 2–3 weeks

Not currently in stock. Order now — typically ships within 2–3 weeks.

Need it faster? Contact us about express import (2–5 business days).


When will my order arrive?

This item is ordered from our supplier on request. Typical lead time is 2–3 weeks from order confirmation.

  • Netherlands / Belgium / Germany: 2–4 working days after dispatch.
  • Other EU countries + UK: 4–8 working days after dispatch.
  • Outside EU/UK: contact us for an estimate.

Need it faster? Express import available in 2–5 business dayscontact us before ordering.

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 STC1641G decoke gasket set and how does it differ from the standard set?
The STC1641G is the AllMakes OEM-grade decoke gasket set for the 3.9, 4.0 and 4.2 litre Rover V8 EFI petrol engine. It reseals the cylinder heads and upper engine assembly after decarbonising or overhaul. It shares the STC1641 Land Rover reference and does the same job, supplied here to OEM specification.
Which Land Rover models does the STC1641G gasket set fit?
The STC1641G fits the Rover V8 EFI petrol engine in the Defender, Discovery 1 and Range Rover Classic. On the Range Rover Classic it applies from chassis JA610294. Confirm your engine variant with the vehicle's VIN before ordering, as V8 sealing sets changed across the range.
Are head bolts included, and what else is needed to refit the heads?
Head bolts aren't included with the STC1641G set, which supplies gaskets and seals only. Source the cylinder head bolts separately. Check every mating face on the Rover V8 for warping or damage as you reassemble, and replace anything out of tolerance before sealing the heads.