Porsche 912 Gearbox Repair

Gearbox repair, limited-slip differential and spare parts from our own production

The 912 shares its gearbox technology with the early 911s — and their parts supply problem. We supply the limited-slip differential and rebuild the gearbox where the parts market has long given up.

What we do for the 912

Limited-slip differential
newly made on the ZF principle, locking value to suit — road, rally or historic sport.
Gearbox rebuild
to factory specification, with ring-and-pinion setup and test-bench run.
Parts from our own production
gear parts, shafts and dog rings, individually instead of only as expensive pairs.

Typical problems this solves

Parts are marketed almost exclusively for the 911 — the 912 falls through the cracks
Worn synchromesh and a notchy shift
A restoration stalled on a single gearbox part

Why inquire here

A 912 deserves the same manufacturing depth as its six-cylinder brother. Here it gets it — same machines, same measuring equipment, same factory-specification setup.

A different gearbox type?

356 550 901 902 904 911 906 914 907 915 916 908 930 964 908/03 G50 910 917 935 956 962

Made in-house

Parts for the 912, newly made

The 912 uses the 901 gearbox of the early 911 — these parts fit. Made in-house, in stock. Click to enlarge.

All parts in the catalogue →

901 / 904 / 906

Final drive 7:31, uprated

Porsche 901/904/906 final drive, uprated version, ratio 7:31, top quality.

In stock Newly made Enquire →

901

Ring gear 7:31, ground

Porsche 901 final drive 7:31, uprated version, ground to top quality.

In stock Newly made Enquire →

901

Pinion, ground

Porsche 901 pinion, top quality, cleanly ground.

In stock Newly made Enquire →

From the workshop

Inquiry

What is on your bench?

Gearbox type and a few lines about your request — that is all we need for a first assessment. A photo helps but is not required. The answer comes from the machinist, not from sales.

Send inquiry

Reply usually within 24 hours — from the managing director himself, no ticket system, no call centre. We call back on request.

or directly: 06628 9159093 · info@antriebstechnik-schmidt.de