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Chains & Tensioners

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DISPLAYING 1 to 16 (of 30 products)
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99310552900/1KIT
Product Information
Product Information
Camshaft timing chains. Fits left & right CLOSED TYPE.

oematch

TIP! If you detect a chain clap or rattling noise in the engine, your timing chain may be worn or stretched and needs replacing. each car has two

Fits:
Porsche 911 1965-89
Porsche 964 1991-93
Porsche 993 1994-97

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99310552900
99310552900
90110552900
91110552900

The product you are viewing cross references to these numbers
91110522206/1KIT
Product Information
Product Information
Chain guide rail set. Black.
1x Guides, timing chain Piece - 91110522205
5x Guides, timing chain Piece - 91110522206

oematch

Fits:
Porsche 911 1966-89

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

91110522206
91110522206
91110522205
13384

The product you are viewing cross references to these numbers
OILPIPEKIT02
Product Information
Product Information
Oil pipe kit for hydraulic timing chain tensioners. 

Fits:
Porsche 911 SC - 1978 to 1982 (Cars with hydraulic chain tensioner upgrade)
Porsche 911 turbo 1975 to 1984 (Cars with hydraulic chain tensioner upgrade)
Porsche 911 - 1984 to 1989

Oil lines may seem like minor components, but if they become defective, they can lead to significant damage. These lines connect the engine, oil cooler, or timing chain tensioner, often functioning for years without issue. However, if a crack or break occurs, substantial amounts of oil can leak out—potentially draining the entire oil tank—and the affected component will no longer receive a reliable supply of engine oil.

To prevent such damage, it's recommended to replace aging oil hoses or lines before any issues arise. Full restorations generally involve replacing all oil lines to ensure reliability. Here, you can find high-quality replacement parts as described in the title.

Diagram ref no 8, 9, 10, 11, 14, 15, 24, 25, 26 and 27




Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

OILPIPEKIT02
93010734704
9301073471Y
93010734811
93010734812
93010734817
93010734809
93010734818
93010734715
93010734100
93010734201
90010400303
N0208251
N 0208251
PCG51117402
99951117402
90011905902
90011908801
93010734702
93010734814
93010734200
9301073471Y
93010734807
93010734804
93010734802
93010734813
93010734716
93010734714
93010734712
93010734710
93010734708
93010734705
93010734706
93010734703
93010734701

The product you are viewing cross references to these numbers
93010591199
Product Information
Product Information
Update your early 911 1968-83 and 930. Includes two cam timing chain housing covers, two oil lines, two tensioner and other necessary fittings.

oematch

Fits:
Porsche 911 2.7L / 3.0L
Porsche 930 3.0L / 3.3L Turbo

Important Note: For early models with engines smaller than 2.7L (such as 2.2L or 2.4L), an additional pipe (Part No. 930107348XX) will be required. Furthermore, for pre-1980 models, a spacer may be necessary between the chain tensioner arm and the tensioner itself. Two spacers are needed—one for each side. You’ll have the option to include these items when adding this kit to your basket.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

93010591199
93010591100
93010591200
930105912
930105911
93010591201
93010591101
930107348XX
93010551300

The product you are viewing cross references to these numbers
Special Order item
91110552951
Product Information
Product Information
Camshaft Timing Chain With Master Link.

Fits:
Porsche 911 1965>>1989
Porsche 964 1991>>1993

Diagram Ref No 1

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Related, superseded, cross reference or alternative numbers for comparison.

91110552951
91110552950
90110552950
91110552951

The product you are viewing cross references to these numbers
Special Order item
99310552900
Product Information
Product Information
Camshaft timing chain. Fits left or right CLOSED TYPE.

porsche

TIP! If you detect a chain clap or rattling noise in the engine, your timing chain may be worn or stretched and needs replacing. each car has two

Fits:
Porsche 911 1965-89
Porsche 964 1991-93
Porsche 993 1994-97

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99310552900
99310552900
90110552900
91110552900
09425

The product you are viewing cross references to these numbers
99310552900/1
Product Information
Product Information
Camshaft Timing Chain. Fits left or right CLOSED TYPE.

oematch

TIP! If you detect a chain clap or rattling noise in the engine, your timing chain may be worn or stretched and needs replacing. each car has two

Fits:
Porsche 911 1965-89
Porsche 964 1991-93
Porsche 993 1994-97

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99310552900
99310552900
90110552900
91110552900
09425
50031696
50032491

The product you are viewing cross references to these numbers
90110552902/1
Product Information
Product Information
Camshaft Timing Chain. Fits left or right CLOSED TYPE.  Reinforced for Motorsport

oematch

TIP! If you detect a chain clap or rattling noise in the engine, your timing chain may be worn or stretched and needs replacing. each car has two

Fits:
Porsche 911 1965-89
Porsche 964 1991-93
Porsche 993 1994-97

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

90110552902
99310552900
90110552900
91110552900
90110552902

The product you are viewing cross references to these numbers
91110552951/1
Product Information
Product Information
Camshaft timing chain. SPLIT TYPE.

oematch

Fits:
Porsche 911 1965-89
Porsche 964 1991-93

TIP! If you detect a chain clap or rattling noise in the engine, your timing chain may be worn or stretched and needs replacing. each car has two .

Chain Type: Duplex,
Timing Chain Size: D67ZN
No. of chain links: 98

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

91110552951
91110552950
90110552950
91110552951
09426

The product you are viewing cross references to these numbers
Special Order item
91110522206
Product Information
Product Information
Chain Guide Rail, Black. 5 per car.

porsche

Fits:
Porsche 911 1966-89

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

91110522206
91110522206
91110522207

The product you are viewing cross references to these numbers
91110522206/1
Product Information
Product Information
Chain Guide Rail, Black. 5 per car.

oematch

Fits:
Porsche 911 1966-89

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

91110522206
91110522206
91110522207

The product you are viewing cross references to these numbers
Special Order item
91110522205
Product Information
Product Information
Chain guide rail, Brown. 1 per car.

porsche

Fits:
Porsche 911 1966-89

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

91110522205
91110522205
90110522202
90110522203
91110522204

The product you are viewing cross references to these numbers
91110522205/1
Product Information
Product Information
Chain guide rail, Brown. 1 per car.

oematch

Fits:
Porsche 911 1966-89

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

91110522205
91110522205
90110522202
90110522203
91110522204

The product you are viewing cross references to these numbers
Special Order item
93010591
Product Information
Product Information
Chain tensioner set.

porsche

Fits:
Porsche 911 (1980 - 1983) for 911 SC only
Porsche 911 Turbo (1980 - 1983) for 911 Turbo SC only

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

93010591
93010591100
93010591200
930105912
930105911
93010591201
93010591101

The product you are viewing cross references to these numbers
Special Order item
93010505304
Product Information
Product Information
Timing Chain Tensioner. Standard type not the upgrade type.
The genuine Porsche 93010505304 Timing Chain Tensioner is the original mechanical unit used in early air-cooled 911 and 930 engines. Precisely engineered by Porsche, it maintains consistent tension in the timing chain, ensuring smooth, accurate cam timing and quiet operation. Built with precision-machined internal components and corrosion-resistant materials, this OEM tensioner guarantees reliability and performance identical to factory assembly standards — perfect for concours restorations and authentic rebuilds.
Sold each. Fits Left or Right Side

Fits:
Porsche 911 1968 - 1983
Porsche 930 Turbo

Diagram ref no 10

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

93010505304
93010505300
93010505304

The product you are viewing cross references to these numbers
93010505304/1
Product Information
Product Information
Timing Chain Tensioner / Chain Adjuster. Standard type not the upgrade type.
The timing chain tensioner product code 930 105 053 04 is a precision-engineered, direct-fit replacement for the original mechanical tensioner used in early air-cooled Porsche 911 and 930 engines. Designed to maintain consistent chain tension, it effectively reduces slack, minimizes noise, and ensures precise valve timing under all driving conditions. Built to original Porsche specifications with durable materials and exact geometry, this OE Match unit delivers long-lasting reliability and prevents premature wear of the timing components.
Sold each. 
Fits Left or Right Side

Fits:
Porsche 911 1968 - 1983
Porsche 930 Turbo

Diagram ref no 10

•  Position: Mounted to the engine block in the timing chain system
•  Function: Acts as a spring-loaded or mechanical adjuster to eliminate chain slack, control vibration, and maintain chain alignment
•  Symptoms of Failure: Chain rattle, timing inaccuracy, engine noise
•  Benefits Prevents: chain slack, reduces wear, restores quiet and accurate timing performance
•  Installation: Direct-fit replacement – compatible with original guides and sprockets

A worn or failing chain tensioner can lead to chain slack, rattling noise, timing variation, and accelerated wear of chain guides, sprockets, or shafts.

Replace the tensioner when:
•  Rebuilding or disassembling the engine
•  Noticeable noise or slack in the timing chain
•  During preventive maintenance on high-mileage engines

Using high-precision replacement restores proper tension, reduces noise, and protects your timing system components.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

93010505304
93010505300
93010505304

The product you are viewing cross references to these numbers
DISPLAYING 1 to 16 (of 30 products)
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About Chains & Tensioners

Precision Timing Chains & Tensioners – Engine Synchronisation and Reliability for Porsche Models

The timing chain system is one of the most critical components of a Porsche engine, ensuring perfect synchronisation between the crankshaft and camshafts. This precise coordination allows valves to open and close at the right moment, maintaining smooth power delivery, fuel efficiency, and long-term engine health.

At Design911, we supply a comprehensive range of precision-engineered timing chains, guides, and hydraulic tensioners designed to meet or exceed manufacturer performance standards. Each component is manufactured from high-strength materials for exceptional wear resistance and durability — vital for high-revving, performance-oriented Porsche engines.

What Do Timing Chains and Tensioners Do?

A timing chain connects the crankshaft to the camshafts, ensuring accurate valve timing. The tensioner keeps the chain taut to prevent slack, vibration, or noise, maintaining precise timing under all load conditions.

Core Functions:

  • Synchronise engine timing between the camshaft and crankshaft.
  • Maintain valve timing accuracy for optimal combustion and power.
  • Prevent chain slack and noise through hydraulic or spring-loaded tensioning.
  • Ensure long-term reliability in both performance and everyday driving.

Together, these components preserve the exacting standards of Porsche engine operation — vital for both power and longevity.

Why Do Timing Chains and Tensioners Fail?

Over time, wear, oil degradation, and heat cycles can cause timing components to deteriorate. When neglected, they may stretch, seize, or lose tension — leading to severe engine damage.

Common Causes of Failure Include:

  • Chain stretch or elongation, resulting in timing misalignment.
  • Worn or leaking hydraulic tensioners, causing chain rattle on start-up.
  • Contaminated or degraded engine oil, accelerating wear.
  • Broken chain guides from heat stress or material fatigue.
  • Insufficient oil pressure, reducing hydraulic tensioner performance.

A failing timing chain system can lead to poor performance, rough idling, check-engine lights, or — in extreme cases — catastrophic valve-to-piston contact.

Why Replace with Performance-Grade Timing Components?

Replacing aging timing components with manufacturer-quality parts ensures reliable valve timing, smoother operation, and peace of mind.

Key Benefits:

  • Restores precise valve timing for peak performance and efficiency.
  • Prevents engine noise and vibration caused by chain slack.
  • Protects against catastrophic engine damage due to chain failure.
  • Constructed from heat-treated, high-grade steel for long service life.
  • Engineered to match original timing profiles for Porsche engines.
  • Perfect fitment for classic air-cooled and modern water-cooled models.

Whether performing preventive maintenance or a complete rebuild, these timing chains and tensioners deliver race-ready reliability with road-tested durability.

Highlights:

  • Precision-engineered timing chains, guides, and tensioners for Porsche engines.
  • Restores timing accuracy and eliminates start-up rattle or misfire issues.
  • Built from heat-treated alloy steel for maximum longevity.
  • Hydraulic and mechanical tensioners available for various Porsche models.
  • Ideal for performance rebuilds and preventative maintenance.
  • Compatible with air-cooled and water-cooled Porsche engines.

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