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Description
Alpha Dragon IV.21 3P Level 21 3.49cc Off-road Vehicle Methanol EngineAlpha Dragon IV. 21 3P Level 21 3. 49cc Off road Vehicle Methanol Engine Features: . Original genuine engine, unique structure design, exquisite craft quality, light and compact, excellent performance, quick to start and easy to adjust . Parameters: Displacement: 3. 49cc; Revolving speed: 38800rpm; Weight: about 361g; Crankshaft Diam: 14mm diameter; Glow Plug Type: Turbo pressure boost glow plug (P3 P6); Exhaust: Rear; Carburetor Diam: 8. 8mm;
Alpha Dragon IV.21 3P Level 21 3.49cc Off-road Vehicle Methanol EngineFeatures:
.Original genuine engine, unique structure design, exquisite craft quality, light and compact, excellent performance, quick to start and easy to adjust
.Parameters: Displacement: 3.49cc; Revolving speed: 38800rpm; Weight: about 361g; Crankshaft Diam: 14mm diameter; Glow Plug Type: Turbo pressure boost glow plug (P3 / P6); Exhaust: Rear; Carburetor Diam: 8.8mm; Carburetor: 3 Needles; Engine housing: aluminum housing
.Alpha dragon IV is a new generation of high specification pre-grinding 3p engine with new design and modification. It is fuel saving, easy to adjust, and has excellent performance. After a little debugging, it can be used.
.Features of New design parts as follow: the body has been redesigned to increase intake and exhaust efficiency and improve fuel flow from the carburetor to the combustion chamber, thereby reducing losses, increasing fuel efficiency and increasing engine power. Ceramic post - perlin: Reduced friction, lighter weight, extended service life. This ceramic post - perlin is a basic part of the dragon IV. Using high-quality materials can apply more kinetic energy to the wheels with less resistance, reducing the friction coefficient. Lighter weight reduces rotation resistance, increases engine power and acceleration, reduces fuel consumption, and makes the engine more fuel efficient. Dynamic balancing crankshaft: reduces engine vibration and has good lubricity. The new DEC crankshaft contains an Alpha patented counterweight balance that effectively balances power transmitted from engine ignition to piston pins. The inertia force of the connecting rod and crankshaft rotation reduces engine vibration and increases engine power. This dynamic balancing counterweight crankshaft, with a new cylinder piston, makes more power and more linear power for maximum output. The new cylinder piston's air intake has been redesigned to provide oil savings, more power and more linear power for maximum output. Piston pin: the piston pin is light in weight and enhances surface hardness and durability to reduce the possibility of piston pin bending. Radiating head: the new radiating head adds a layer of radiating fin, and is lowered to lower the center of gravity to make the car more stable, better handling, when loaded on the car, it can maintain good radiating effect
.Safety Instruction: The engine is not a toy! Please read the instruction manual to become familiar with the features of the product before operating. Keep yourself and those around you safe. To maintain the best engine performance and longer service life. Incorrect or faulty maintenance can result in damage to the product.
.For Ages: 14+
Specifications:
.Color: As Shown
.Material: Metal
.Product Weight: 361g
.Package Dimensions: 18 x 12 x 10cm
.Package Weight: 450g
.Packing: Box
Package Content:
.1 x Engine
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 4
Affordable priced. Fits well
Size: AF377
They work good in my 2019 Toyota RAV4
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
★★★★★ 5
Perfect fit, slid right into place and locked like it should
Size: AF943
Wanting to correct my previous review (I reviewed the incorrect item). This product fit perfectly in my vehicle- my apologies for the first review; perhaps Amazon or the vendor can replace the first review with this one. I am very pleased with this item.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
★★★★★ 5
Great filter
Size: AF741
Fit out Toyota Prius V 2014 perfect. Well made too.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
★★★★★ 5
Efficient and Easy-to-Install Cabin Air Filter
Size: 1 Count (Pack of 1)
I recently installed the ECOGARD XC35519 cabin air filter in my 2019 Honda Accord, and the experience was straightforward. The filter fit perfectly, and the installation process was quick—taking only about 10 minutes.
Since the replacement, the cabin air feels noticeably fresher. While the filter doesn’t include activated carbon for odor removal, it effectively traps dust, pollen, and other airborne particles, enhancing overall air quality.
For those seeking an affordable and reliable option to maintain clean cabin air, the ECOGARD XC35519 is a solid choice.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 5, 2025
★★★★★ 5
Fits Well!
Size: 1 Count (Pack of 1)
Perfect replacement for my 2024 Honda Ridgeline OEM cabin air filer. Easy install via the glove box too. I also purchased their engine air filter which fits too.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 22, 2025
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