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Rotax 912 | 914 Ul Engine Crankshaft | Piston | Cylinder | Sprag Clutch

From $18.10 to $1531.36
Reference Chart

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No. Rotax Number Description Qty Req. 912 UL Qty Req. 912 ULS Qty Req. 914 UL PN Price Buy
3933-311BEARING BUSHING111
15-03080
$58.85
Quantity
8-11996-542PISTON ASSEMBLY 79.50/79.51 MM4a4a
15-10699
$346.72
Quantity
8-11888-382PISTON ASSEMBLY 84/84.01 MM4b
15-10485
$392.46
Quantity
10215-420TAPERED COMPRESSION RING44
15-00026
$21.25
Quantity
11215-590RECTANGULAR RING 79.5/72.9X1.544
15-00028
$40.65
Quantity
12916-420PISTON PIN 20X12X56 4g
15-02843
$110.89
Quantity
12916-356PISTON PIN 20X12X55.3 4g4g4g
15-02840
$58.45
Quantity
14250-510O-RING 87X2444
15-00262
$18.10
Quantity
15913-222CYLINDER4cf4cf
15-10574
$541.52
Quantity
16881-540PISTON SET1i1i
15-10594
$1458.48
Quantity
17881-542PISTON SET1i
15-10593
$1531.36
Quantity
Subtotal $0.00
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Overview

- Items not illustrated
  • a   red 79.50 mm, green 79.51 mm
  • b   red 84 mm, green 84.01 mm
  • c   A 79.50 - 79.512, B 79.513 - 79.524
  • d   A 84.00 - 84.012, B 84.012 - 84.024
  • e   at 912 ULS the complete piston with rings has to be exchanged up to S/N 4,425.123
  • f    with countersunk for O-ring 830415. Introduced as per following engine S/N: 912 A: 4,410.393


Explanations of symbols and statements in part number charts:
  • N = Newly introduced part number
  • s.v. = Still valid. Part was replaced by compatible component and can not be supplied any longer by the producer. Existing stock may be used.
  • AR = As required. This generally refers to shims, hose, wires, and cable. Measure the amount you need before ordering. Many times there will be multiple listings of different lengths with the same part number. Use individual part descriptions to determine the proper length needed.
  • n.a or NLA = No longer available, no replacement from Rotax. Part is no longer available due to incompatibility to current production or unavailability of part.
  • CALL = Please call for price, 800-247-9653

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Q&A

Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Are the piston assemblies sold in set of 4? I understood that, for instance, from the Qty 912 UL column.

Piston assemblies are sold individuallly. The number in the column signifies how many are required for the engine.