Rotax 815251 (815 251) — Compression ring No. 2
Compression ring No. 2, Rotax part number 815251, for Rotax 912, 914, 915 iS and 916 iS series engines — check applicability against the Rotax illustrated parts catalog for your engine serial number. Factory new, with the manufacturer's certificate of conformity.
Rotax 815251 at a glance
| Rotax PN | 815251 (815 251) |
|---|---|
| Description | Compression ring No. 2 |
| Superseded by | 815257 |
| Condition | FN (factory new) |
| Certificate | Manufacturer CoC |
| Lead time | 40 days as quoted in September 2026; confirmed on every request |
The manufacturer has superseded 815251 with 815257: an order is normally placed for 815257. Send either number — we check which one applies to your engine.
Prices are Ex Works our warehouse in Orlando, FL. Send the engine model and serial number with the quantity, and the certificate you need.
Other Rotax part numbers we have quoted
- Rotax 815280 — Compression ring No. 1, 84.00 mm
- Rotax 815230 — Oil scraper ring
- Rotax 888382 — Piston assembly, 84.01 mm
- Rotax 916356 — Piston pin 20 × 12 × 55.3
- Rotax 845106 — Circlip (mono hook)
- Rotax 913226 — Cylinder
- Rotax 250510 — O-ring 87 × 2
- Rotax 854118 — Exhaust valve, 32 mm
- Rotax 854108 — Intake valve, 38 mm
- Rotax 413236 — Cylinder head
- Rotax 413246 — Cylinder head
- Rotax 838155 — Valve spring
- Rotax 854186 — Spring retainer
- Rotax 253090 — Valve cotter
- Rotax 926210 — Spring washer
- Rotax 854383 — Rocker arm left
- Rotax 854393 — Rocker arm right
- Rotax 933396 — Bushing, Vespel
- Rotax 854195 — Rocker arm shaft, 0.2 mm
- Rotax 996738 — Electric fuel pump
- Rotax 850981 — Gasket
- Rotax 850965 — Oil seal 32 × 52 × 7
- Rotax 997083 — Radiator
- Rotax 851020 — Starter relay
- Rotax 889751 — Electric starter assembly, HD
- Rotax 965349 — Rectifier regulator
- Rotax 881832 — Hydraulic valve tappet set (8 pcs)
- Rotax 965444 — Double ignition coil assembly (new version)
- Rotax 922070 — Expansion tank cap
- Rotax 887251 — Alternator (F3a)
- Rotax 889534 — Carburetor overhaul kit, certified (912/912S)
Full table: Rotax 912, 914, 915 iS and 916 iS engine parts.
Rotax is a trademark of BRP-Rotax GmbH & Co KG. MG AVIATION TECH is an independent supplier of aircraft parts and is not affiliated with BRP-Rotax. Part numbers are given for identification only.