Information - Mounting kit

Exhaust system fasteners and joints: replacement and selection

When and why exhaust system fasteners and joints need replacement

These components have no specified lifetime expectancy. Sealing rings, in particular, are replaced when they are burnt through or corroded, whereas flange gaskets and exhaust mounts – if cracks and deformations appear. Also mechanical damages of the fastening elements are possible. Usually, the silencer bracket may tear off.

Corrosion of metal components occurs due to constant influence of moisture. Moreover, the exhaust system elements often break down if the car is used on rough roads. Burning-out of some parts is caused by their mounting location and constant impact of high temperature.

Defect signs depend on the fact, which exact part is faulty. For example, burning of the sealing ring should be suspected if unusual sound from the exhaust system appears during engine operation. Presence of exhaust gases smell in the cabin is possible when the flange gasket is damaged. If the silencer mounts are torn off, so as a result of poor fixation interrupted knocking can be heard from the car bottom.

If during replacement of the exhaust system fasteners and joints bolts are used, then opt for those with anti-corrosion coating.

This will extend the lifetime of the whole system and simplify the repairs. You should take into account that new fasteners should be installed each time any exhaust system element is replaced.

How to select exhaust system fasteners and joints

Various materials are used for manufacturing of these spare parts. For example, exhaust mounts, can be made of polyurethane or rubber. Polyurethane withstands influence of high temperature and moisture especially well. Rubber parts are inferior by these characteristics, but usually cost less. Typically, flanges are made of steel and aluminum. Sealing rings can be steel, asbestos-metal or graphite. Components made of metal are more thermoresistant, while the graphite ones – more budget-friendly.

In order to ensure faultless operation of the exhaust system, give preference to fastening elements from manufacturers with high reputation. For example, such brands as HJS, BOSAL, Febi Bilstein are trustworthy.

When buying new fasteners and joints it is necessary to take into account your vehicle characteristics. Particularly, the brand, model, manufacturing year and the body type are important. Buying flanges and brackets you need to make sure that their parameters comply with diameter of the exhaust pipe installed in your car.

Exhaust mounting kit at low cost: Top Spares

Spring, exhaust pipe (BOSAL, 251-203) -23%
Spring, exhaust pipe | BOSAL 251-203 Article №: 251-203
BOSAL Spring, exhaust pipe 251-203
£ 1,99
£ 1,53
incl. 20% VAT, Shipping
Over 100 items in stock
  • Length [mm] 38
  • Condition  New
Details
Nut, exhaust manifold (BOSAL, 258-047) -23%
Nut, exhaust manifold | BOSAL 258-047 Article №: 258-047
BOSAL Nut, exhaust manifold 258-047
£ 0,99
£ 0,76
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Over 100 items in stock
  • Thread Size M10 x 1,25
  • DIN / ISO DIN 267 Cu
  • Condition  New
Details
Nut, exhaust manifold PH (SWAG, 32 90 7190) -23%
Nut, exhaust manifold | SWAG 32 90 7190 Article №: 32 90 7190
SWAG Nut, exhaust manifold 32 90 7190
£ 0,99
£ 0,76
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Over 100 items in stock
  • Inner thread [mm] M8 x 1,25
  • Spanner Size 12
  • Bolt Head-/Nut Design Male Hex
  • Weight [kg] 0,004
  • Condition  New
Details
Nut, exhaust manifold Original VAICO Quality (VAICO, V20-0835) -23%
Nut, exhaust manifold | VAICO V20-0835 Article №: V20-0835
VAICO Nut, exhaust manifold V20-0835
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£ 0,76
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Over 100 items in stock
  • for OE number 11 62 1 744 323
  • Thread Size M8 x 1,25 mm
  • DIN / ISO DIN 267 Cu
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  • Weight [kg] 0,0044
  • Supplementary Info Original VAICO Quality
  • Packaging width [cm] 1,2
  • Packaging height [cm] 1,2
  • Packaging Depth [cm] 0,8
  • Condition  New
Details
Bolt, exhaust system (BOSAL, 258-835) -23%
Bolt, exhaust system | BOSAL 258-835 Article №: 258-835
BOSAL Bolt, exhaust system 258-835
£ 1,49
£ 1,15
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Over 100 items in stock
  • Thread Size M8
  • Length [mm] 35
  • Condition  New
Details
Bolt, exhaust system (BOSAL, 258-907) -23%
Bolt, exhaust system | BOSAL 258-907 Article №: 258-907
BOSAL Bolt, exhaust system 258-907
£ 0,99
£ 0,76
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Over 100 items in stock
  • Thread Size M10
  • Diameter [mm] 1,25
  • Length [mm] 35
  • Condition  New
Details
Bolt, exhaust system (FA1, 985-933) -23%
Bolt, exhaust system | FA1 985-933 Article №: 985-933
FA1 Bolt, exhaust system 985-933
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£ 0,76
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Bolt, exhaust system Front for pre-catalyst (FA1, 765-903) -23%
Bolt, exhaust system | FA1 765-903 Article №: 765-903
FA1 Bolt, exhaust system 765-903
£ 2,99
£ 2,30
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Over 100 items in stock
  • Length [mm] 65
  • Thread Size M10x1,25
  • Condition  New
Details
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