Enginediy Coupon Code

Ends 2/6/2026

Enginediy deal: Save $150 OFF On RETROL & OKMO D-Type Miniature Gasoline Engine NA

Ends 1/1/2026

Celebrate the festive season with ENGINEDIY! Get 12% OFF storewide with coupon BF12, and enjoy up to 20% OFF on select products. Perfect time to grab premium model engines, gifts, and DIY kits for Christmas. 12% OFF applicable sitewide using code BF12. Up to 20% OFF available on selected items (no code required/auto discount where applicable).

Ends 12/6/2025

Enjoy 15% OFF sitewide at ENGINEDIY with code BF15. Select items are also available at 20% OFF during the sale period. A great chance for customers to save on premium model engines, kits, and accessories. Discounts are valid through December 5th. 15% OFF applies to all sitewide purchases using code BF15. Select items are eligible for 20% OFF (automatically applied or as listed on the website). Offer valid only during the promotional period. Cannot be combined with other coupon codes or special p

Ends 12/16/2025

Enginediy deal: Experience the thrill of assembling your own functional V12 engine with the brand-new TECHING 1/4 Supercar V12 Engine Model Kit (800+ pieces). This highly detailed model features synchronized throttle sound effects and an impressive real-mechanical build experience. For a limited time, enjoy an Early Bird discount - Save $200 automatically and get it for $899.99 (regular price $1,099.99). Offer valid from November 27 – December 15, 2025. Discount applies automatically at checkout

Ends 12/2/2025

Get ready for the biggest shopping event of the year! From November 14th through December 1st, 2025, EngineDIY is hosting its Black Friday Online Sale, nearly 20 days of incredible savings. Enjoy 15% off sitewide on all products, plus 20% off 20 specially selected items. Shop your favorite engine models, kits, and accessories, and take advantage of these exclusive holiday deals before they’re gone! NA

Ends 11/14/2025

Kick off your Black Friday shopping early! From November 1st to November 13th, 2025, enjoy 12% off sitewide on all EngineDIY products, including engines, model kits, and accessories. Don’t miss this chance to save big on your favorite DIY engine models and upgrades. Discount applies to all regular-priced items sitewide. Products with higher existing discounts will maintain their current offers.

Ends 8/31/2025

Enginediy deal: Enginediy special offer: The RETROL & OKMO B01 Ball Top Miniature Water-Cooled Single-Cylinder 4-Stroke Hit and Miss Gasoline Internal Combustion Engine Model is now priced at $379.99, providing a fantastic savings opportunity of $100.

Ends 8/31/2025

Enginediy deal: Introducing the RETROL & OKMO Morse Z01 Throttling Governor, equipped with a durable 4-stroke, single-cylinder gasoline engine. Priced at $479.99, enjoy an exceptional $100 savings. Seize this limited-time promotional opportunity before it ends!

Ends 8/31/2025

Discover the TECHING L4 Engine Model Kit, an advanced full metal 4-cylinder car engine kit that allows you to build your own engine. Currently available for just $399.99, enjoy a 20% discount on this exceptional model.

Ends 8/31/2025

Enginediy promotion: Explore the TECHING 1:3 Full Metal V8 Engine Model Kit, designed for passionate builders. With over 500 components, this kit enables the construction of a meticulously detailed V8 engine. Now available for $559.99 with a 20% limited-time discount.