Best Deals This Week

Best Engine Deals Online in the US (10 deals found)

Last Updated - March 15, 2026 Sort By:

Best Choice

New
Playz V8 Combustion Engine Model Kit That Runs - Build Your Own STEM Mini V8 Model Engine Kit for Adults & Kids Age 12+, Visible V8 Mini Engine Kit That Works for Adult w/ 270 STEM Parts
GET HANDS ON with Playz V8 engine model kit that works for adults and kids alike. Engage young minds into STEM with a working replica of a classic 8-cylinder internal combustion car engine, while adults enjoy the rewarding experience of building their own mini V8 engine kit that runs like a dream.

$79.95 $99.95
19% Off

New
DjuiinoStar Most Classical Low Temperature Stirling Engine, Unique Coffee Timer, Best Gift Option, Educational Toy, Steam Engine Model DLTD-303
★EASY START: just place on a mug of hot water and give it a spin and you're up and running; as long as enough temperature differential maintains, it will keep running like Forrest Gump. People will be shocked and surprised once this little engine start to work. It will definitely be a GREAT CONVERSATION PIECE on your desk.

$29.95 $36.95
New
Sunnytech Low Temperature Stirling Engine Motor Steam Heat Education Model Toy Kit For mechanical skills (LT001)
FANTASTIC SMART THING WITH EXTREMELY WELL MADE WHICH RUNS LIKE A DREAM----The stirling engine is produced with high quality material and elegant workcraft. this stirling engine adopts mirror surface stainless steel for the base, glass cylinder liner, zinc alloy flywheel. All the parts have done surface treatment to avoid rusting. Oil-free.

$39.99
Best Value

New
Discovery Model Engine Building Kit, DIY 4-Cylinder Combustion Engine, Working Pistons Fan Valves Belts LED Lights, STEM Mechanic Engineering Construction Experiment Set, Kids & Adults Gift
✔ DEVELOP THEIR CRITICAL THINKING SKILLS: The Discovery Kids DIY Toy Model Engine Kit will encourage young boys and girls to expand their creativity, think logically, and even refine their motor skills all at once!

$23.99 $34.99
New
Karei V8 Engine Building Set, V8 Engine Model Kit That Run with Manual & Electric Dual Working Modes, V8 Building Motor Kit Runs 2 Directions and 2 Speeds, STEM Toys Gifts for 14+ and Adult (1065 PCS)
[V8 Engine Model Kit]: This is a cool classic 8-cylinder internal combustion engine. It highlights and details all the important features such as moving pistons, valves, turbocharger, and exhaust system. You can see crankshaft, fan, and a super charger, all driven by chain belts, dynamically demonstrating the complex inner workings of a real internal combustion engine. It’s a standout choice for teens, adults, or anyone curious about how engines work.

$69.89
New
Mould King Mini V8 Engine Kits That Runs, Build Your Own Visible Car Motor, Physical Science Experiment Models for Teens, Best STEM Toy Gifts for 14+ and Adult 10171 (487 Pcs)
【Classic V8 Engine Model】Discover the pinnacle of classic automotive engineering with this meticulously detailed V8 engine model. Featuring a transparent cylinder head, dynamic piston motion, and a realistic turbocharger, this model brings the heart of a powerful V8 to life

$45.99 $48.99
18% Off

New
BILT HARD 7HP Gas Engine Horizontal Shaft, 212cc 4 Stroke OHV Industrial Grade Replacement Gas Motor, Shaft 3/4" (19mm) Diameter, 2-3/8" Long, 3/16" Keyway
Engineered for Excellence - The shaft boasts a 3/4" diameter, extending 2-3/8" in length. The end is thoughtfully tapped with 5/16"-24 UNF threads, while a 3/16" keyway enhances precision. The mounting pattern spans 6.40" in length and 2.95" to 3.17" in width, offering versatility for various applications.

$139.99 $169.99
New
BILT HARD 7HP Gas Engine Horizontal Shaft, 212cc 4 Stroke OHV Industrial Grade Replacement Gas Motor, Shaft 3/4" (19mm) Diameter, 2-3/8" Long, 3/16" Keyway
Engineered for Excellence - The shaft boasts a 3/4" diameter, extending 2-3/8" in length. The end is thoughtfully tapped with 5/16"-24 UNF threads, while a 3/16" keyway enhances precision. The mounting pattern spans 6.40" in length and 2.95" to 3.17" in width, offering versatility for various applications.

$169.99
New
Mould King 10171 V8 Engine Model Kit, Mini V8 Engine Kits That Runs, Build Your Own Car Model Engine with Motor, Collectible Building Blocks for Adults, DIY STEM Construction Toys for Display
【Mini V8 Engine Kits That Runs】The V8 building blocks for adults restores every detail of the real engine with its highly precise parts and realistic design, such as a transparent cylinder head, simulated piston movement, a turbocharger, and simulated trachea. A valuable collectible artwork for modelers and mechanical enthusiasts.

$48.99
New
Mould King V8 Engine Building Blocks Sets, MOC Scale Model Kit with Battery and Motor, Collectible Set for Adults, Construction Toys Gifts for Friends Men Teen Youths (535 Pcs)
▶【Classic Engine Scale Model】Mould King 10088 V8 Engine set contains many realistic details. Such as transparent cylinder head, simulate piston motion, Turbocharger. Designed specifically for race car fans. The perfect gift for car lovers and future engineers!

$42.99

10 Engine deals are available from: Amazon stores, starting from $23.99.
The biggest discount we found is 31% on Discovery Model Engine Building Kit, DIY 4-Cylinder Combustion Engine, Working Pistons Fan Valves Belts LED Lights, STEM Mechanic Engineering Construction Experiment Set, Kids & Adults Gift at Amazon.
The lowest price we found is $23.99 while the highest is $169.99.
Prices for the best Engine deals average at $69.17.
Last updated on March 15, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Engine.