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T25,G3 Exhaust Gasket Ring - Waterboxer Engines

Replacement sealing washer used between the exhaust manifold and downpipe on a wide range of classic and watercooled Volkswagen models along with Porsche 924 applications. This sealing ring creates a gas-tight seal between the exhaust components, helping to prevent exhaust leaks, blowing joints, unwanted noise, and loss of engine performance.

Manufactured from heat-resistant compressed material, this gasket is designed to withstand the extreme temperatures and vibration found within the exhaust system. Over time exhaust sealing washers become brittle, crushed, or damaged during removal, which can lead to exhaust leaks, rattles, reduced engine efficiency, and MOT emissions failures.

This sealing washer is commonly used on Golf Mk1, Mk2, Mk3, Caddy, Scirocco, Passat, Polo, T3/T25 Transporter and LT models, as well as Porsche 924 vehicles. Suitable for front, centre, or rear exhaust connections depending on application.

When replacing exhaust gaskets it is recommended to inspect the condition of the mounting hardware, manifold studs, springs, clamps, catalytic converter joints, and downpipe flanges. Exhaust assembly paste may also assist sealing on older systems where surfaces are slightly worn or corroded.

Specifications:
• Inner Diameter: 46.5mm
• Outer Diameter: 60mm
• Thickness/Height: 13.5-14mm
• Position: Front / Centre / Rear Exhaust Connection
• Sold individually

OEM Part Numbers:
• 431253137A
• 443253137C
• 477253137
• 855253137A

Applications:

Watercooled VW:
• VW Caddy Mk1 1.8 Petrol 1985-1992
• VW Caddy Mk2 1.4 & 1.6 Petrol 1995-2004
• VW Golf Mk1 Cabriolet 1.6 & 1.8 Petrol 1983-1993
• VW Golf Mk3 1.4 & 1.6 Petrol 1991-1999
• VW Scirocco Mk2 1.6 & 1.8 Petrol 1985-1992
• VW Passat B2 1.3-2.2 Petrol & 1.6 Diesel models 1980-1988
• VW Polo 6N / Classic / Estate 1.4 & 1.6 Petrol 1994-2001
• VW Vento 1.4 & 1.6 Petrol 1991-1998
• VW Santana 1.6-2.0 Petrol & Diesel 1981-1984

VW Transporter & Commercial:
• VW T3/T25 Transporter 1.9 & 2.1 Petrol models 1982-1992
• VW LT Mk1 / LT 28-35 / LT 40-55 2.4 Diesel/Petrol & 2.7 Diesel models 1978-1996

Porsche:
• Porsche 924 2.0 1975-1989

This Part Fits: Type 25, Mk1 Caddy, Mk1 Golf Cabriolet, Mk3 Golf, Scirocco, Porsche 924,

Availability: Stock Item

Item Name: Gasket for catalytic converter

Description: Gasket, exhaust pipe

Product Group: Exhaust

Group: Exhaust System

Unit of Measure: Each

Manufacturer: JOPEX

Dimensions:

Width: 65mm

Height: 15mm

Depth: 65mm

Volume: 63375mm3

Weight: 0.063kg

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