- 🚚 Free Nationwide Shipping
- 🛡️ Up to 3-Year Warranty
- ✅ OEM Parts
- 💯 100% Money Back Guarantee
Ready to hit the road again?
Our Products
Quality Used Engines & Transmissions
Low-mileage, tested, and ready to ship with full warranty coverage.
- LOW MILEAGE
Used Engines
Every engine is compression-tested, inspected for leaks, and verified low-mileage before shipping. Fits all major makes and models.
Browse Used Engines → - FULLY TESTED
Used Transmissions
Automatic and manual transmissions, rigorously tested for smooth shifting and performance. Backed by our industry-leading warranty.
Browse Transmissions →
How It Works
Browse Inventory or Share Your VIN
Shop our live inventory online or call, text, and share your VIN or Year, Make & Model. Both paths get you the right part.
Browse InventoryGet Matched & Place Your Order
Our team confirms fitment and availability. Purchase online or we send 3–5 verified options within hours — not days.
Our ProcessWe Dismantle, Inspect & Photo Your Unit
We carefully dismantle and inspect your engine, then send you real photos before it ships no surprises, no substitutions.
See ExamplesFree Shipping & 6-Month Warranty Included
Once approved, we ship free nationwide. Delivered in 4–7 business days with a 6-month warranty included automatically.
Warranty Info🥇 Every Part Tested & Every Customer Protected 🥇
SSL Encrypted Checkout
Up to 3 Years Warranty
OEM Compatibility Verified
Free Shipping Nationwide
Full Satisfaction Guaranteed!
We love to see that happiness of your first ride after breakdown and that's all what we work for!
The whole experience was seamless
The whole experience was seamless. I forwarded information on the exact engine that I needed. The response was almost immediate. I recommend their services 100%.
F350 transmission
Alan was always available to communicate and helped every step of the way. Through absolutely no fault of the company we had multiple hiccups on installing it at the dealership. The transmission is working properly!
If I could give six or more stars, I would.
If I could give six or more stars, I would. David and everybody there at Auto Power Source has been just wonderful in this trying experience.
From the first phone call to talk to...
From the first phone call to talk to the company about purchasing the engine for our 1993 Toyota 4 Runner to receiving the engine our experience with Auto Power Source has been a first class experience.
Frequently Asked Questions
Thank you for your interest in our engines. We understand the importance of seeing the product before purchase, and we have a rigorous quality and shipping process to ensure your satisfaction.
Quality Assurance & Testing: Each engine is thoroughly tested on the vehicle only after your order and payment have been processed.
Photo Request & Approval: If you would like to receive detailed pictures of the specific engine allocated to your order, please email your request to fusionusedengines@gmail.com
Shipping Approval: Upon receiving your photo request, we will send you the images for review. We will only proceed with shipping after we receive your explicit approval of the pictures.
Packaging & Guarantee: Once approved, the engine is carefully dismantled, professionally secured on a sturdy wooden pallet, and shipped in excellent working condition. All engines are covered by our full money-back guarantee.
Yes, we deliver to both residential and commercial addresses. Please note that large freight items like engines may require a liftgate or other special delivery arrangements. Contact us for more details.
Your used engine order includes the long block assembly. Additional components such as the intake manifold, accessories, and sensors may or may not be included depending on the specific engine. Please refer to the product listing or contact us for exact details.
Please inspect your order upon delivery and contact us immediately if the item is defective, damaged, or if you receive the wrong item. Document the issue with photos and email us within 48 hours of delivery. We will evaluate the issue and make it right as quickly as possible.