£355.00 inc. tax

Head Gasket Set - Isuzu 4LC1 and 4LB1


A = 4LB1 33 and 35hp
B = 4LC1 38 and 42hp
C = 4LE1 48 and 55hp

Head gasket kit for Isuzu 4LE1, 4LC1 and 4LB1 industrial - 33, 35, 38, 42, 48, 55hp marine engines. This kit contains the following genuine Isuzu parts:

x 10 Cylinder Head Stretch Bolts, 89mm
x 1 Water Pump Gasket
x 1 Head Gasket

You will also need some instant gasket maker (e.g. Wynn's Black Gasket Maker) to reseal the rocker arm assembly to the head, and some molybdenum grease for installing the head bolts.

NOTE: before replacing your head gasket, you need to work out WHY it blew in the first place. Resolve that issue first; they do not simply blow for no reason on these engines.

PLEASE NOTE: You need to be very competent mechanically to attempt this, and if you are using a boat mechanic, please ensure your fitter has the correct tools and knowledge and is aware of the angular torque method. Incorrect refitting of the cylinder head will simply mean it blows the gasket again. This then means you are into another £300 for the gasket kit....and labour etc...

BEST PRACTICE ADVICE: You are advised to have your cylinder head pressure tested prior to refitting. A pressure test will cost you around £40 at a local engine rebuilders. It is well worth it as the head stretch bolts for this engine are not reusable, and with a head gasket kit costing £300 a time, you'd be daft not to do it properly. If the head is not correctly installed, and the head gets damaged, a replacement reconditioned head is £750, plus the gasket kit at £295 and labour....incorrect installation / diagnosis is a £1400 mistake, basically.
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