Partsology
Master Engine Rebuild Kit 1999-2004 Toyota 3.4L V6
Master Engine Rebuild Kit 1999-2004 Toyota 3.4L V6
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DNJ Master Engine Rebuild Kit
Includes: Piston Set, Piston Ring Set, Main Bearings Set, Rod Bearings Set, Full Gasket Set, Thrust Washer, Freeze Plug Set (Brass), Timing Belt, Oil Pump, Piston Pin Bushings.
Engine Details: w/ Oil Pump & Timing Belt Or Timing Kit If Applicable, Master Kit, Graphite Head Gaskets Included.
Brief Fitment Information: [1999-2004] / Toyota / 4Runner, Tacoma, Tundra / Liters: 3.4 / V6 / Valves: 24 / 5VZ-FE.
Part Warranty: 12-month or 12,000-mile warranty, whichever comes first. Warranty must be requested by the original purchaser and is limited to the replacement of the alleged defective part(s) only.
1999-2004 Toyota 3.4L V6 Tacoma, Tundra, 4Runner Master Engine Rebuild Kit
The Partsology EK966M master engine rebuild kit is engineered specifically for the 1999-2004 Toyota Tacoma, 2000-2004 Toyota Tundra, and the 1999-2002 Toyota 4Runner equipped with the durable 3.4L V6 3378cc 24V DOHC 5VZ-FE engine, a powerplant known for its reliability and long service life in both light truck and SUV applications. Designed to restore performance and prolong the life of your vehicle, this OEM-quality master rebuild kit includes critical internal components such as pistons, piston rings, main and rod bearings, a full gasket set including graphite head gaskets, oil pump, and timing components when applicable, providing a comprehensive solution for a complete engine overhaul. Over time, issues like excessive oil consumption, loss of compression, engine knocking, poor fuel efficiency, or visible wear in internal components can signal the need for a rebuild, and addressing these problems with a high-quality master kit helps prevent further damage while restoring like-new performance. Rebuilding your engine offers significant benefits compared to replacement, including cost savings, retaining your original engine block, and extending the overall lifespan of your vehicle. Unlike a standard engine rebuild kit, a master engine rebuild kit like the EK966M includes additional essential components such as the oil pump and timing system parts, making it a more complete and convenient option for a thorough rebuild. Partsology supplies OEM-quality engine parts at amazing prices with next-day shipping, making it easy and affordable to bring your Toyota truck or SUV back to peak performance.
Shipping & Returns
Shipping & Returns
Shipping on most orders in 24-48 hours special orders can be 2-3 days. Returns see Returns Policy.
We have a 30-day return policy on most products, which means you have 30 days after receiving your item to request a return. Some products carry a longer manufacture warranty please contact us if you have questions about items.
To be eligible for a return, your item must be in the same condition that you received it, unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
To start a return, you can contact us at overthehilltractor@gmail.com. Please note that returns will need to be sent to the following address: 2005 Stuarts Draft Hwy, Stuarts Draft, VA 24477
If your return is accepted at damage or defective, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
If your return is due to no longer needed, wrong size order, ordered by mistake, found better pricing, etc the customer is responsible for the return shipping cost.
Any item returned over $50 cost we suggest insurance on package.
You can always contact us for any return question at overthehilltractor@gmail.com.
Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, we can only give 72 hours from time package is scanned delivered to accept claims. Please contact within 72 hours of delivery so that we can evaluate the issue and make it right.
Exceptions / non-returnable items
Certain types of items cannot be returned, like fuel related items due to hazardous materials shipping regulations. We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.
Electrical parts can only be returned if new and in original condition, Used electrical parts are not returnable unless actually defective, contact us with details.
Unfortunately, we cannot accept returns on sale items or gift cards.
Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method within 10 business days. Please remember it can take some time for your bank or credit card company to process and post the refund too.
If more than 15 business days have passed since we’ve approved your return, please contact us at overthehilltractor@gmail.com.
Most items are covered by 30 day warranty, Fuel Related parts are only covered against actually manufacture defect since the fuel produced today breaks down gaskets and seals quickly. Electrical parts can only be returned if new and in original condition, Used electrical parts are not returnable unless actually defective, contact us with details. Returns are handled on each individual item, some items will not require return for refund just that customer submit picture of proof of issue. Please contact us with questions about returns.

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Free Shipping
Free shipping on orders over $150
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