Porsche 914 Camshaft Part Numbers: Complete List Including 021109101k

If you're restoring or upgrading a Porsche 914, getting the correct camshaft is critical for engine performance and reliability. The Porsche 914 came with three different engine displacements from 1970 to 1976: 1.7L, 1.8L, and 2.0L. Each had specific camshaft part numbers, and aftermarket options also exist. This guide provides a clear list of factory camshaft part numbers, including the common 021109101k, and explains how to identify the right one for your project.

Understanding Porsche 914 Camshaft Variants

The 914 used a flat-four engine derived from the Volkswagen Type 4. Over the years, Porsche made several changes to the camshaft profile to meet emissions standards and improve driveability. The factory part numbers differ by engine code and year. Below we break down the camshaft numbers for each displacement.

1.7L Engine (1970–1973)

The 1.7L engine (code EA) came with a mild camshaft. Factory part numbers include:

• 021109101k: This is the standard camshaft for many 1970–1973 1.7L engines. It has a relatively low lift and duration, designed for smooth idling and good fuel economy.
• 021109101g: A variant used in some early 1970 models; superseded by the 021109101k.
• 021109101m: A later revision for 1973 models with slightly different timing.

When ordering a replacement for a 1.7L, the 021109101k is the most widely available genuine part. If you see a camshaft labeled 021109101 without the suffix letter, it may be a generic replacement, but always verify the profile.

1.8L Engine (1974–1975)

The 1.8L engine (code AL) appeared in 1974 and was used through 1975. Camshafts for the 1.8L have a different part number series:

• 022109101a: The primary camshaft for US-spec 1.8L engines. It has slightly more lift than the 1.7L cam to compensate for the larger displacement.
• 022109101b: A revision for late 1975 models, often used with the thermal reactor emission system.

Note that the 021109101k is not correct for a 1.8L engine. Installing a 1.7L cam in a 1.8L will reduce power and may cause poor throttle response.

2.0L Engine (1973–1976)

The 2.0L engine (code EA but with different heads) is the most desirable for performance. Its camshafts are unique:

• 021109101l: Used on early 1973 2.0L engines. It has a sportier profile.
• 021109101p: The standard cam for 1974–1976 2.0L engines. It offers a good balance of power and driveability.
• 021109101r: A final revision for 1975–1976 914 2.0L with catalytic converter compatibility.

These part numbers all begin with 021 but differ from the 1.7L 021109101k. Do not assume interchangeability without checking the engine code.

The 021109101k Camshaft: Details and Applications

The 021109101k is the most common camshaft part number for the Porsche 914. It belongs to the 1.7L engine. Key specifications include:

• Lift: approximately 9.0mm intake and exhaust
• Duration: about 248 degrees (at 1mm lift)
• Lobe separation: 112 degrees

This camshaft was used in approximately 1970–1973 1.7L engines for the US market. It provides a smooth idle and decent low-end torque. Many aftermarket suppliers list a "021109101k" compatible camshaft, but these are often reground or new blanks. Always compare the lift and duration if you are building a performance engine.

If you have a 1.7L engine, the 021109101k is the correct factory replacement. However, if you want more power, consider a performance cam grind that retains the same part number core.

How to Verify Your Camshaft Part Number

To confirm which camshaft your 914 needs, follow these steps:

1. Locate the engine code. On a 914, the engine code is stamped on the engine case near the oil filter housing. Codes: EA (1.7L up to 1973), AL (1.8L 1974–1975), EA with 2.0L heads (1973–1976).
2. Read the camshaft part number. The camshaft part number is stamped on the camshaft between the lobes (close to cylinder 1). You may need a mirror and flashlight. Clean the area to read the number clearly.
3. Cross-reference with the list above. If the number starts with 021, it is a 1.7L or 2.0L cam; if 022, it is a 1.8L cam. The suffix letter indicates the revision.

If the number is illegible or missing, measure the camshaft with a dial indicator and degree wheel to determine lift and duration, then compare to known specs.

Practical Tips for Choosing a Replacement Camshaft

• For a stock rebuild, stick with the original part number for your engine code. Using a cam from a different displacement can cause driveability issues.
• If you are upgrading, a performance camshaft from a reputable manufacturer (e.g., Web Cam, Schrick, or Elgin) often requires matching valve springs and careful tuning. These are not direct plug-and-play with the stock part number.
• Beware of counterfeit or generic cams. Some sellers list "021109101k" but the actual profile may be different. Buy from established suppliers who can provide a spec sheet.
• Inspect the camshaft bore. The 914 engine uses a gear-driven camshaft with a thrust washer. Make sure the camshaft gear is in good condition and the end play is within spec.
• When installing any camshaft, always use new tappets (lifters) and break it in properly with high-zinc oil to prevent premature wear.

Final Recommendation

For most Porsche 914 owners doing a standard restoration, the correct camshaft to order for a 1.7L is the 021109101k. For a 1.8L, choose 022109101a. For a 2.0L, select 021109101p or 021109101r depending on year. If you cannot find the exact factory part, many suppliers offer OEM-quality replacements that are functionally identical. Always verify the camshaft profile with your engine code and avoid mismatched components. A well-matched camshaft will ensure your 914 idles smoothly, pulls nicely through the rev range, and stays reliable for thousands of miles.