Chains & Tensioners

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Chains & Tensioners

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About Chains & Tensioners

OEMatch Chains & Tensioners — Fit, Function, Confidence

Timing chains, guides and tensioners keep a Porsche engine’s valve timing correct across a wide range of operating conditions. This group of parts is specified for durability and stable timing under load; replacement is common during major service or when symptoms such as rattle, rough idle or diagnostic codes point to timing system wear.

Available Types

Timing chains for petrol engines
Tensioner kits, hydraulic and mechanical
Chain guides and rails
Complete timing chain kits with seals and fasteners

Understanding OEMatch Chains & Tensioners

OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original chains & tensioners.
OE (Original Equipment) refers to parts matching original specifications for the chains & tensioners and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM chains & tensioners engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models. In practice, the timing chain system synchronises the crankshaft and camshafts, the guides control chain run and alignment, and the tensioner maintains correct chain tension to prevent slack, noise and timing drift under varying oil pressure and temperature conditions.

Benefits Include

Restores accurate valve timing and smoother running
Reduces start-up rattle and in-service chain noise
Limits the risk of valve-to-piston contact from excessive chain slack

Why Chains & Tensioners Wear and Fail

Chain stretch or elongation from long service life
Worn or leaking hydraulic tensioners losing damping or pressure
Abrasion or breakage of guides due to heat and contamination
Oil degradation or low oil pressure accelerating component wear

The Importance of Replacing with OEMatch Chains & Tensioners

Timely replacement protects the engine from progressive damage and helps preserve performance and drivability. Using correctly specified chains, guides and tensioners reduces the chance of unexpected failure during operation and supports consistent timing across the rev range. OEMatch provides a wide selection of Porsche components, cataloguing over 4,000 part numbers and more than 8,700 OE cross-references to assist repairs across different model generations.

Advantages

Parts matched to Porsche timing-system specifications where applicable
Options for hydraulic and mechanical tensioning arrangements
Complete kits simplify overhaul work by including guides, seals and fixings

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Chains & Tensioners

chain case, camshaft housing 911 1970-73 103-10

camshaft housing chain case 911 1978-83 103-05

valve control left 911 1978-83 103-10

valve control right 911 1978-83 103-15

camshaft housing chain case 911 1987-89 103-05

valve control left 911 1987-89 103-10

valve control right 911 1987-89 103-15

Camshaft housing chain case 911 1984-86 103-05

Valve control left 911 1984-86 103-10

valve control right 911 1984-86 103-15

Chain case camshaft housing 911 1974-77 103-05

Valve control left 911 1974-77 103-10

Valve control right 911 1974-77 103-15

chain case, camshaft housing 911 1965-69 103-10

chain case, camshaft housing 911 TURBO 1975-77 103-05

valve control left 911 TURBO 1975-77 103-10

valve control right 911 TURBO 1975-77 103-15