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O.S. RC Engines & Parts

Explore the wide selection of O.S. Engine products available today! You'll find a variety of engines, parts and more!

Popular Products by O.S.

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Showing 1 to 45 of 1,691 Products
O.S. Pitts Muffler E5030: GT33
$89.99
Pre-Order
O.S. Pitts Muffler E5030: GT33
Expected Wed, Jul 5, 2023
O.S. Heat Sink Head: 21TM
$69.99
Back Order
O.S. Heat Sink Head: 21TM
Expected Mon, Sep 18, 2023
O.S. 25LA Piston & Sleeve
$30.99
Add to Cart
O.S. 25LA Piston & Sleeve
O.S. No.8 Short Body Standard Glow Plug "Medium"
Average Rating:5
$8.99
Add to Cart
O.S. No.8 Short Body Standard Glow Plug "Medium"
O.S. P3 Gold Turbo Glow Plug "Ultra Hot" (1)
$13.99
Add to Cart
O.S. P3 Gold Turbo Glow Plug "Ultra Hot" (1)
O.S. .21 TM Monster Truck Engine with Revo/Slayer Manifold
Average Rating:5
$319.99
View Details
O.S. .21 TM Monster Truck Engine with Revo/Slayer Manifold
Limited Quantities Available
O.S. Speed R2104 .21 9-Port On-Road Nitro Engine (Turbo)
$737.99
Back Order
O.S. Speed R2104 .21 9-Port On-Road Nitro Engine (Turbo)
O.S. Speed B21 AD3 Adam Drake 3 Competition .21 Nitro Engine w/2100SC Pipe
$729.99
Add to Cart
O.S. Speed B21 AD3 Adam Drake 3 Competition .21 Nitro Engine w/2100SC Pipe Broken In by Adam Drake
O.S. 21XZ-B VII Off-Road Competition Buggy Engine
Average Rating:5
$394.99
Sale: $374.99
View Details
O.S. 21XZ-B VII Off-Road Competition Buggy Engine
O.S. 21TM-T .21 Engine w/2.5 T-Maxx Manifold
Average Rating:5
$334.99
Sale: $304.99
Add to Cart
O.S. 21TM-T .21 Engine w/2.5 T-Maxx Manifold
O.S. Speed B21 AD3 Adam Drake 3 Competition .21 Nitro Engine w/2100SC Pipe
$679.99
Add to Cart
O.S. Speed B21 AD3 Adam Drake 3 Competition .21 Nitro Engine w/2100SC Pipe
O.S. Speed R2104 .21 9-Port On-Road Engine Combo w/T-2080SC II Pipe (Turbo)
$842.99
Back Order
O.S. Speed R2104 .21 9-Port On-Road Engine Combo w/T-2080SC II Pipe (Turbo)
O.S. Speed B21 AD3 Adam Drake 3 Competition .21 Nitro Engine
$599.99
Add to Cart
O.S. Speed B21 AD3 Adam Drake 3 Competition .21 Nitro Engine Broken In by Adam Drake
O.S. Speed Ronda Drake 2 B21 RD2 "Drake-In" .21 Buggy Nitro Engine w/Pipe Combo
$729.99
Add to Cart
O.S. Speed Ronda Drake 2 B21 RD2 "Drake-In" .21 Buggy Nitro Engine w/Pipe Combo Broken In by Adam Drake
O.S. Speed B21 AD3 Adam Drake 3 Competition .21 Nitro Engine
$549.99
Add to Cart
O.S. Speed B21 AD3 Adam Drake 3 Competition .21 Nitro Engine
O.S. GT15 15cc Gas 2-Cycle Airplane Engine w/Muffler
$409.99
View Details
O.S. GT15 15cc Gas 2-Cycle Airplane Engine w/Muffler
Expected Fri, Jun 9, 2023
O.S. Speed T1204 .12 Pro Rear Exhaust Competition Nitro Engine
$621.99
Add to Cart
O.S. Speed T1204 .12 Pro Rear Exhaust Competition Nitro Engine (Turbo Plug)
O.S. Max 105HZ-R DRS Helicopter Engine
Average Rating:5
$649.99
Add to Cart
O.S. Max 105HZ-R DRS Helicopter Engine
O.S. T-2090SC One Piece Tuned Pipe w/Manifold (Welded Nipple)
Average Rating:5
$179.99
Sold Out
O.S. T-2090SC One Piece Tuned Pipe w/Manifold (Welded Nipple)
O.S. Speed Ronda Drake 2 B21 RD2 "Drake-In" .21 Buggy Nitro Engine
$599.99
View Details
O.S. Speed Ronda Drake 2 B21 RD2 "Drake-In" .21 Buggy Nitro Engine Broken In by Adam Drake
O.S. Max .46AXII ABL Airplane Engine w/Muffler
Average Rating:4
$199.99
Add to Cart
O.S. Max .46AXII ABL Airplane Engine w/Muffler
Limited Quantities Available
O.S. Outboard Unit Assembly: 21XM V2 Outboard Marine
$249.99
Back Order
O.S. Outboard Unit Assembly: 21XM V2 Outboard Marine
Expected Fri, Aug 18, 2023
O.S. 15LA .15 Glow Engine w/Muffler
$134.99
Add to Cart
O.S. 15LA .15 Glow Engine w/Muffler
O.S. Speed Ronda Drake 2 B21 RD2 .21 Buggy Nitro Engine
$549.99
View Details
O.S. Speed Ronda Drake 2 B21 RD2 .21 Buggy Nitro Engine
O.S. .21XM VII Air Cooled Outboard Marine Engine w/20J Carburetor
$689.99
Add to Cart
O.S. .21XM VII Air Cooled Outboard Marine Engine w/20J Carburetor
O.S. Speed Ronda Drake 2 B21 RD2 .21 Buggy Nitro Engine w/Pipe Combo
$679.99
Add to Cart
O.S. Speed Ronda Drake 2 B21 RD2 .21 Buggy Nitro Engine w/Pipe Combo
O.S. .65AX ABL Airplane Glow Engine w/E4010A Muffler
$254.99
Add to Cart
O.S. .65AX ABL Airplane Glow Engine w/E4010A Muffler
O.S. Speed R21GT .21 On-Road Nitro Engine (Turbo)
$683.99
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O.S. Speed R21GT .21 On-Road Nitro Engine (Turbo)
O.S. R21 .21 On-Road Club Racer Nitro Engine (Turbo)
$424.99
Back Order
O.S. R21 .21 On-Road Club Racer Nitro Engine (Turbo)
O.S. TB02/T-2090SC One Piece Tuned Pipe (No Manifold) (Welded Nipple)
Average Rating:5
$129.99
Add to Cart
O.S. TB02/T-2090SC One Piece Tuned Pipe (No Manifold) (Welded Nipple)
O.S. 50 SX-H Hyper Ringed Competition Helicopter Engine
Average Rating:5
$289.99
Add to Cart
O.S. 50 SX-H Hyper Ringed Competition Helicopter Engine
O.S. T-2060SC WN One Piece Tuned Pipe w/Manifold (Welded Nipple)
$139.99
Add to Cart
O.S. T-2060SC WN One Piece Tuned Pipe w/Manifold (Welded Nipple)
O.S. Speed T1204 .12 Touring Engine Combo w/T1070 Pipe
$630.99
Back Order
O.S. Speed T1204 .12 Touring Engine Combo w/T1070 Pipe
O.S. 55 HZ-H Hyper Ringed Competition Helicopter Engine
Average Rating:4
$389.99
Add to Cart
O.S. 55 HZ-H Hyper Ringed Competition Helicopter Engine
O.S. 55 HZ-R DRS Ringed Competition Helicopter Engine
Average Rating:5
$494.99
Add to Cart
O.S. 55 HZ-R DRS Ringed Competition Helicopter Engine
O.S. .55AX ABL Glow Airplane Engine w/E3071 Muffler & 40K Carburetor
$227.99
Sale: $217.99
Add to Cart
O.S. .55AX ABL Glow Airplane Engine w/E3071 Muffler & 40K Carburetor
O.S. FS-120S-III 1.20 Four Stroke Glow Engine
$629.99
Back Order
O.S. FS-120S-III 1.20 Four Stroke Glow Engine
O.S. Crankshaft Rear Bearing (Speed .21)
$109.99
Back Order
O.S. Crankshaft Rear Bearing (Speed .21)
O.S. Speed 21XZ-B Spec II Complete Piston/Sleeve/Rod Assembly
$229.99
Back Order
O.S. Speed 21XZ-B Spec II Complete Piston/Sleeve/Rod Assembly
O.S. GT33 2-Stroke Gasoline Engine w/Muffler
Average Rating:4
$534.99
Add to Cart
O.S. GT33 2-Stroke Gasoline Engine w/Muffler
FR7-420 Sirius7 7-Cylinder Radial 4-Stroke Engine
$4,429.99
Back Order
FR7-420 Sirius7 7-Cylinder Radial 4-Stroke Engine
O.S. Speed R21GT .21 On-Road Engine Combo w/T-2060SC Pipe (Turbo)
$798.84
Back Order
O.S. Speed R21GT .21 On-Road Engine Combo w/T-2060SC Pipe (Turbo)
O.S. T-2100SC Tuned Pipe
$128.99
Add to Cart
O.S. T-2100SC Tuned Pipe
O.S. 35AX ABL .35 Airplane Glow Engine w/Muffler
Average Rating:5
$237.99
Add to Cart
O.S. 35AX ABL .35 Airplane Glow Engine w/Muffler
O.S. FS-95V Ringed 4-Stroke .95 Airplane Glow Engine
Average Rating:4
$434.99
Back Order
O.S. FS-95V Ringed 4-Stroke .95 Airplane Glow Engine
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