O.S. Engines

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Quality and performance has made O.S. the standard in RC engines for over 80 years.
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1-48 of 1,758 Results
91HZ-R 3D Speed Helicopter Engine, Black 91HZ-R 3D Speed Helicopter Engine, Black
5 out of 5 Customer Rating
91HZ-R 3D Speed Helicopter Engine, Black
$649.99
O.S.SPEED B2105 O.S.SPEED B2105
4.2 out of 5 Customer Rating
O.S.SPEED B2105
$752.99
O.S. Speed B21 Adam Drake Edition 3, 1/8 Buggy Engine & Pipe Combo Set O.S. Speed B21 Adam Drake Edition 3, 1/8 Buggy Engine & Pipe Combo Set
5 out of 5 Customer Rating
O.S. Speed B21 Adam Drake Edition 3, 1/8 Buggy Engine & Pipe Combo Set
$799.99
O.S. FS-64V (61T2) with F-4051 Silencer O.S. FS-64V (61T2) with F-4051 Silencer
5 out of 5 Customer Rating
O.S. FS-64V (61T2) with F-4051 Silencer
$464.99
15LA ABN .15 Airplane Glow Engine with Muffler 15LA ABN .15 Airplane Glow Engine with Muffler
5 out of 5 Customer Rating
15LA ABN .15 Airplane Glow Engine with Muffler
$131.99
GGT15 15cc Gas/Glow Ignition 2-Cycle Engine with Muffler GGT15 15cc Gas/Glow Ignition 2-Cycle Engine with Muffler
5 out of 5 Customer Rating
GGT15 15cc Gas/Glow Ignition 2-Cycle Engine with Muffler
$508.76
FS-95V Ringed 4-Stroke .95 Airplane Glow Engine FS-95V Ringed 4-Stroke .95 Airplane Glow Engine
4.2 out of 5 Customer Rating
FS-95V Ringed 4-Stroke .95 Airplane Glow Engine
$429.99
120AX Ringed 1.20 Airplane Glow Engine with Muffler 120AX Ringed 1.20 Airplane Glow Engine with Muffler
3.4 out of 5 Customer Rating
120AX Ringed 1.20 Airplane Glow Engine with Muffler
$381.12
95AX Ringed .95 Airplane Glow Engine with Muffler 95AX Ringed .95 Airplane Glow Engine with Muffler
5 out of 5 Customer Rating
95AX Ringed .95 Airplane Glow Engine with Muffler
$349.99
O.S. Speed B21 Adam Drake Edition 3, 1/8 Buggy Engine O.S. Speed B21 Adam Drake Edition 3, 1/8 Buggy Engine
4.9 out of 5 Customer Rating
O.S. Speed B21 Adam Drake Edition 3, 1/8 Buggy Engine
$649.99
55AX ABL .55 Airplane Glow Engine with Muffler 55AX ABL .55 Airplane Glow Engine with Muffler
4 out of 5 Customer Rating
55AX ABL .55 Airplane Glow Engine with Muffler
$225.14
GF30 II 30cc 4-Stroke Gas Engine with Ignition Module GF30 II 30cc 4-Stroke Gas Engine with Ignition Module
5 out of 5 Customer Rating
GF30 II 30cc 4-Stroke Gas Engine with Ignition Module
$879.99
75AX ABL .75 Airplane Glow Engine with Muffler 75AX ABL .75 Airplane Glow Engine with Muffler
4 out of 5 Customer Rating
75AX ABL .75 Airplane Glow Engine with Muffler
$343.93
O.S. Speed R21GT2 O.S. Speed R21GT2
4.6 out of 5 Customer Rating
O.S. Speed R21GT2
$839.99
R21 1/8 On-Road Club Racer Engine R21 1/8 On-Road Club Racer Engine
5 out of 5 Customer Rating
R21 1/8 On-Road Club Racer Engine
$441.47
46AXII ABL .46 Airplane Glow Engine with Muffler 46AXII ABL .46 Airplane Glow Engine with Muffler
4 out of 5 Customer Rating
46AXII ABL .46 Airplane Glow Engine with Muffler
$203.89
21TM ABC .21 Engine with Manifold: 2.5 and 3.3 T-Maxx 21TM ABC .21 Engine with Manifold: 2.5 and 3.3 T-Maxx
5 out of 5 Customer Rating
21TM ABC .21 Engine with Manifold: 2.5 and 3.3 T-Maxx
$374.18
FSa-72II Airplane Engine with F-5030 Silencer FSa-72II Airplane Engine with F-5030 Silencer
3.6 out of 5 Customer Rating
FSa-72II Airplane Engine with F-5030 Silencer
$549.99
35AX ABL .35 Airplane Glow Engine with Muffler 35AX ABL .35 Airplane Glow Engine with Muffler
3.7 out of 5 Customer Rating
35AX ABL .35 Airplane Glow Engine with Muffler
$237.41
120AX Ringed 1.20 Airplane Glow Engine without Muffler 120AX Ringed 1.20 Airplane Glow Engine without Muffler
4.5 out of 5 Customer Rating
120AX Ringed 1.20 Airplane Glow Engine without Muffler
$354.85
GF40 40cc 4-Stroke Gas Airplane Engine with Muffler GF40 40cc 4-Stroke Gas Airplane Engine with Muffler
3.1 out of 5 Customer Rating
GF40 40cc 4-Stroke Gas Airplane Engine with Muffler
$959.99
FS155-a Alpha Series 1.55 4-Stroke Pumped Engine FS155-a Alpha Series 1.55 4-Stroke Pumped Engine
3.9 out of 5 Customer Rating
FS155-a Alpha Series 1.55 4-Stroke Pumped Engine
$659.99
GT15 15cc Gas 2-Cycle Airplane Engine with Muffler GT15 15cc Gas 2-Cycle Airplane Engine with Muffler
4.5 out of 5 Customer Rating
GT15 15cc Gas 2-Cycle Airplane Engine with Muffler
$508.76
21TM ABC .21 Engine with Manifold: 2.5 and 3.3 Revo 21TM ABC .21 Engine with Manifold: 2.5 and 3.3 Revo
4.5 out of 5 Customer Rating
21TM ABC .21 Engine with Manifold: 2.5 and 3.3 Revo
$374.18
O.S. Speed T1204 Touring Engine O.S. Speed T1204 Touring Engine
3.1 out of 5 Customer Rating
O.S. Speed T1204 Touring Engine
$745.99
O.S. SPEED R21GT2 Combo Set O.S. SPEED R21GT2 Combo Set
5 out of 5 Customer Rating
O.S. SPEED R21GT2 Combo Set
$959.99
65AX ABL .65 Airplane Glow Engine with Muffler 65AX ABL .65 Airplane Glow Engine with Muffler
4.1 out of 5 Customer Rating
65AX ABL .65 Airplane Glow Engine with Muffler
$269.06
Flex Shaft Housing: 21XM Flex Shaft Housing: 21XM
3.6 out of 5 Customer Rating
Flex Shaft Housing: 21XM
$10.86
Crankcase: 21XM Crankcase: 21XM
3.4 out of 5 Customer Rating
Crankcase: 21XM
$125.10
Muffler Assembly Screws #E-2050 (4) Muffler Assembly Screws #E-2050 (4)
4.4 out of 5 Customer Rating
Muffler Assembly Screws #E-2050 (4)
$7.49
Needle #4BK #2K Needle #4BK #2K
3.4 out of 5 Customer Rating
Needle #4BK #2K
$13.78
Mount Plate: 21XM Mount Plate: 21XM
3.7 out of 5 Customer Rating
Mount Plate: 21XM
$22.24
Upper Arm: 21XM Upper Arm: 21XM
5 out of 5 Customer Rating
Upper Arm: 21XM
$22.24
Gasket Head: 21XM V2 Outboard Marine Gasket Head: 21XM V2 Outboard Marine
4.7 out of 5 Customer Rating
Gasket Head: 21XM V2 Outboard Marine
$6.49
Idle Adj Valve; FS-90/120 Idle Adj Valve; FS-90/120
4.7 out of 5 Customer Rating
Idle Adj Valve; FS-90/120
$11.80
Cover Plate: 21XZ-B Cover Plate: 21XZ-B
4.9 out of 5 Customer Rating
Cover Plate: 21XZ-B
$22.04
Rear Board Unit Fixing Screw: 21XM V2 Outboard Rear Board Unit Fixing Screw: 21XM V2 Outboard
5 out of 5 Customer Rating
Rear Board Unit Fixing Screw: 21XM V2 Outboard
$10.86
Arm Shaft Assembly: 21XM Arm Shaft Assembly: 21XM
3.9 out of 5 Customer Rating
Arm Shaft Assembly: 21XM
$13.75
Throttle Link Assembly: 21XM Throttle Link Assembly: 21XM
3.3 out of 5 Customer Rating
Throttle Link Assembly: 21XM
$10.86
Drive Shaft Nut: 21XM Drive Shaft Nut: 21XM
4 out of 5 Customer Rating
Drive Shaft Nut: 21XM
$11.87
Throttle Lever #4BK #4C Throttle Lever #4BK #4C
4.8 out of 5 Customer Rating
Throttle Lever #4BK #4C
$8.49
RP7 Turbo Glow Plug Cold On-Road RP7 Turbo Glow Plug Cold On-Road
5 out of 5 Customer Rating
RP7 Turbo Glow Plug Cold On-Road
$14.99
Flywheel #2J Flywheel #2J
5 out of 5 Customer Rating
Flywheel #2J
$9.81 Price reduced from $31.50 to
Clearance Sale! ⓘ
Drive Shaft: 21XM Drive Shaft: 21XM
5 out of 5 Customer Rating
Drive Shaft: 21XM
$13.93 Price reduced from $46.43 to
Clearance Sale! ⓘ
Connecting Rod: RXB/R/M Connecting Rod: RXB/R/M
4.4 out of 5 Customer Rating
Connecting Rod: RXB/R/M
$26.24
Flywheel Nut: 21XM Flywheel Nut: 21XM
4.4 out of 5 Customer Rating
Flywheel Nut: 21XM
$2.55 Price reduced from $8.49 to
Clearance Sale! ⓘ
Low Unit Screw (4): 21XM Low Unit Screw (4): 21XM
3.6 out of 5 Customer Rating
Low Unit Screw (4): 21XM
$10.86
Flex Shaft Assembl:y 21XM Flex Shaft Assembl:y 21XM
5 out of 5 Customer Rating
Flex Shaft Assembl:y 21XM
$29.46
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