Restoring or maintaining a 1979 Porsche requires finding the right parts. Whether you have a 911 SC, 928, or 924, the market offers a mix of original equipment manufacturer (OEM) parts, high-quality aftermarket components, and NOS (new old stock) treasures. This guide helps you navigate the options, avoid pitfalls, and keep your classic Porsche running at its best.
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Understanding Your 1979 Porsche
The 1979 model year is significant for Porsche. The 911 SC was the standard, with a 3.0-liter flat-six engine and galvanized body shells. The 928 had its V8 and transaxle layout, while the 924 continued as an entry-level model. Parts availability varies by model. The 911 has the strongest aftermarket support, while 928 parts can be harder to source.
Key Differences in 1979 Models
- 911 SC: Mechanical fuel injection (CIS), unique body trim (no front spoiler on base models), and early impact bumpers.
- 928: First year with the 4.5L V8, specific electrical components, and fragile door panels.
- 924: Shares some parts with the 944 but with distinct engine and interior bits.
Understanding your exact model and options code is crucial. The options sticker (usually in the trunk or service book) helps identify original specs.
Where to Buy 1979 Porsche Parts
OEM and Genuine Porsche Parts
For originality and fit, genuine Porsche parts are preferred. Authorized dealers can order many parts, especially engine and brake components. However, some parts have been discontinued. Check Porsche Classic program: they remanufacture selected parts for 911s. Pelican Parts and Suncoast Parts are reputable online retailers that sell OEM parts at competitive prices.
Aftermarket Specialists
High-quality aftermarket manufacturers like Bosch (electrics), Lemförder (suspension), and Sachs (clutches) produce parts that meet or exceed OEM standards. Companies like URO Parts offer more affordable options but verify quality reviews—some URO components have mixed feedback.
Classic Porsche Specialists
Shops like Pelican Parts, ECS Tuning, and 928sRus specialize in these models. They often stock parts that dealers no longer carry. For body panels, Restoration Design and Stoddard are well-known.
Used and New Old Stock
Facebook groups, Pelican Parts classifieds, and Porsche swap meets are good for used parts. Beware of worn-out wear items. NOS parts pop up on eBay and specialty sites, but ensure they haven't deteriorated in storage (rubber, seals).
Top Parts That Frequently Need Replacement
Engine and Fuel System
The CIS injection system on 911s requires periodic cleaning and parts like fuel accumulator, warm-up regulator, and injectors. For 928s, intake manifold gaskets and fuel hoses are common failure points. Use only Bosch or genuine injectors.
Suspension and Brakes
Bushings, ball joints, and shock absorbers degrade. Bilstein and Koni offer direct-fit replacements. Brake calipers often need rebuilding; use ATE or OEM seals. Rotors and pads are widely available from Brembo or Textar.
Electrical and Ignition
Spark plug wires, distributor caps, and rotors are specific to models. Bosch parts are highly recommended. Alternators and starters can be rebuilt cheaper than buying new.
Body and Trim
Rubber seals (door, window, trunk) dry out. Companies like Precision Polyurethane offer upgraded versions. Emblems and trim pieces are mostly available through Porsche Classic or aftermarket replicas.
How to Verify Part Numbers
Always cross-check part numbers using a Porsche PET (Parts Electronic Technical) catalog, available online at sites like PartsBase or through dealer websites. This ensures you buy the correct part for your VIN range. Many 1979 models had mid-year changes; for example, early 911 SCs used different transmission mounts than late ones.
Common Pitfalls
- Wrong fitment: 1979 911 parts differ from 1980+ due to the introduction of the 911SC with different bumpers and cooling system.
- Poor-quality aftermarket: Some cheap brake pads or bushings wear fast or squeal. Stick to reputable brands.
- Incorrect ignition parts: 1979 911s use a specific distributor and ignition module; cross-referencing is essential.
- Forgetting hardware: Clips, nuts, and bolts often get overlooked. Accuseal or Belmetric can supply correct fasteners.
Restoration vs. Driver: Choosing the Right Parts
If you are restoring to concours standards, seek NOS or OEM parts. For a daily driver or weekend car, quality aftermarket parts are acceptable. Mix and match where it makes sense—OEM engine internals, aftermarket suspension. Avoid mixing different brands on critical systems like brakes.
Final Recommendation
Start by identifying your exact model and options. Purchase a Porsche factory service manual and a parts catalog. For 911 parts, Pelican Parts is a solid first stop. For 928, use 928sRus or Roger's Parts. Always buy critical safety parts (brakes, steering) from reputable known brands. Join a local PCA (Porsche Club of America) chapter—members often have used parts or advice. With careful sourcing, you can keep your 1979 Porsche on the road for years to come.