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Rocker Box Gasket to Suit Petter AVA1 AVA2 PH1 PH2 Engines - JB4

Rocker Box Gasket to Suit Petter AVA1 AVA2 PH1 PH2 Engines - JB4
Rocker Box Gasket to Suit Petter AVA1 AVA2 PH1 PH2 Engines - JB4
Part No.
JB4
In stock
Dispatched today if ordered before 4pm
Dispatched next working day

£3.70 £3.08
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Description

Overview:
This Rocker Box Gasket is a Genuine Lister Petter part for sealing the rocker box on Petter single- and twin-cylinder engines such as AVA1 and PH1. Made from an oil- and heat-resistant fibre gasket material, it sits between the rocker cover and the cylinder head to stop oil leaks and maintain correct lubrication around the valve gear. Built to original equipment specification, it provides a dependable seal that copes with engine vibration and thermal cycling. Suitable for industrial and agricultural machinery powered by Petter AVA1, AVA2, PH1 and PH2 engines, including generators, pumps, compressors and site equipment. Supplied as unused vintage stock, so minor cosmetic ageing may be present, but performance remains to OE standard. A direct-fit replacement for worn or damaged gaskets.

Key Features:
- Genuine Lister Petter part for assured fit and compatibility
- Oil- and heat-resistant fibre material helps prevent leaks and weeping
- Matches original equipment dimensions and hole pattern for correct alignment
- Maintains rocker cover clamping force to support long-term sealing
- Helps protect valve gear by keeping contaminants out and oil in
- Reliable under vibration and temperature changes typical of stationary engines
- Direct replacement: no modifications required on AVA and PH series covers
- Suitable for service maintenance or full engine overhaul
- Unused vintage stock; functionally sound with possible minor ageing to finish

Typical Applications:
Used during routine service or rebuilds on Petter engines driving generators, water pumps, compressors, mixers, welders and other plant or garden machinery. Ideal when resealing after valve clearance checks, rocker cover removal, or correcting oil seepage around the top cover.

Also known as:
Rocker cover gasket, tappet cover gasket, cam cover gasket, valve gear cover gasket, head cover gasket, rocker chest gasket, top cover seal.

Fits Models:
AVA1, AVA2, PH1, PH2

Alternate Part Numbers:
JB4

Product Specifications

More Information
L&S Part No. JB4
Part Type Genuine Part
Manufacturer Lister Petter
OEM No. JB4
Unit of Sale 1
Applications AVA1, AVA2, PH1, PH2
Machine Type Engines
Fits Brands Lister Petter

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