Transmission Rebuild Cost: Parts, Labor and the Remanufactured Alternative

What we did not find in print about a rebuild bill

ATRA, the Automatic Transmission Rebuilders Association, defines a rebuild as removing the unit, taking it fully apart, inspecting all components, replacing worn or damaged hard parts and fitting new soft parts. Of these, only a rebuild kit has a printed price in the sources we read.

We did not find the labor hours for a transmission rebuild, or a price for a rebuild job on its own, in the sources we read. This page therefore gives no total range. It gives the printed figures that sit around a rebuild quote: kit prices, the price of a remanufactured unit and of a used unit, installation cost and warranty terms.

Prices for a fluid service are on the transmission service cost page.

Rebuild kit prices

Global Transmission Parts prints prices for three kits. Two are named "Pick Your Parts" or "Build Your Own" kits, so we read the printed figure as the base price before options. All prices are as of November 13, 2026.

Sources: Global Transmission Parts, 6L80 kit, Global Transmission Parts, 6R80 6R100 kit, Global Transmission Parts, 4L60E kit. Checked November 13, 2026.

Kit, remanufactured unit and used unit for the same gearbox

The table puts the printed kit price next to the printed price of a finished remanufactured unit with the same transmission code. The unit prices are for the unit alone, before installation. The last column is our calculation: the lowest printed unit price minus the kit price. The 6R80 kit holds seals and gaskets only, so its row is not comparable.

Sources: Global Transmission Parts, 6L80 kit, Global Transmission Parts, 6R80 6R100 kit, Global Transmission Parts, 4L60E kit, Reman-Transmission.com, 6L80, Reman-Transmission.com, 6R80, Street Smart Transmission price guide, Fraser Engines, 6L80. Checked November 13, 2026.

How to read the last column

By ATRA's definition a rebuild starts with removing the unit, and a remanufactured unit has to be installed. If that labor is the same on both routes, the last column is the room a rebuild has for bench labor, hard parts and kit options before it costs more than the lowest printed remanufactured unit. For the 6L80 that room is $1,960.05.

AAA, in its 2026 article on mechanic labor rates, cites the 2025 PartsTech report: almost half of all auto repair shops price their labor between $120 and $159 per hour. At $159 per hour, $1,960.05 buys about 12.3 hours; at $120 per hour, about 16.3 hours (our calculation: $1,960.05 ÷ $159 and $1,960.05 ÷ $120). These are not rebuild labor times. They show how much bench time the gap would pay for with no hard parts.

Used units

The sources we checked print no used price for the 6L80, 6R80 or 4L60E. The closest printed pair is for another car. As of November 13, 2026, Reman-Transmission.com lists a remanufactured automatic transmission for the 2015 Toyota Camry 2.5L at $3,063.00 and a used one for the same car and engine at $1,731.00 to $2,358.00. The two listings carry different unit ID numbers. ATRA writes: "Used transmissions can be significantly less expensive than rebuilt or remanufactured units. However, they typically come with shorter warranties".

JASPER Engines & Transmissions, Certified Transmission and the GM Genuine Parts transmission page do not print a unit price. Unit prices for more vehicles are on the transmission replacement cost page.

Warranty terms side by side

Sources: ATRA Golden Rule Warranty, Reman-Transmission.com, remanufactured vs used, Reman-Transmission.com warranty, Street Smart Transmission warranty, Fraser Engines, 6L80, JASPER FAQ. Checked November 13, 2026.

Street Smart Transmission limits warranty labor to $50 per hour, and the standard labor reimbursement at Reman-Transmission.com is $50.00 per hour; both take the hours from the Mitchell On-Demand labor guide. The used-unit warranty at Reman-Transmission.com covers parts only.

What a rebuild is and how a remanufactured unit differs

ATRA defines the rebuild this way: "A rebuilt transmission involves removing your existing unit, fully disassembling it, and inspecting all components. Worn or damaged internal parts (“hard parts”) are replaced, along with new gaskets, seals, clutches, and bands (“soft parts”)."

A remanufactured unit, in ATRA's words, "is similar to a rebuilt one, but the work is done in a factory setting rather than an individual shop". ATRA adds that "what dealerships sell as 'new' transmissions are actually remanufactured units".

The companies that sell remanufactured units draw the line more sharply. JASPER writes that in a rebuild "serviceable parts are generally reused within the manufacturer's acceptable wear limits", while in its own units replacement parts are "new or requalified". Street Smart Transmission writes that "a rebuilt transmission only replaces the specific parts that were failing at the time of service". Both sell remanufactured units, so read these as a seller's view.

What moves the price of a rebuild

• The transmission model. The two builder kits above start at $118.40 for the 4L60E and $369.95 for the 6L80, as of November 13, 2026.
• Hard parts. ATRA's definition has worn or damaged hard parts replaced after the unit is taken apart and inspected. We did not find hard-part prices for a rebuild in the sources we read.
• The shop's labor rate. AAA gives a range from less than $100 to over $200 per hour across the country, and writes that dealer mechanics cost more than independent mechanics, "often by 25 percent or more".

Labor for removal and installation, and turnaround

As of November 13, 2026, the one printed labor cost we found is for installing a finished remanufactured unit. Street Smart Transmission writes: "Installation typically costs $800-$1,500 depending on your vehicle, location, and local labor rates", and says its estimate tool uses $95 per hour. By ATRA's definition a rebuild also starts with removing the unit, and it adds bench time that we did not find in print. Ask the shop to show the labor hours behind its quote.

We did not find a printed time for a rebuild in the sources we read. The printed times are for getting a remanufactured unit to the shop:

• JASPER: in-stock units normally reach the installer "within a day or two"; a unit built to order, "generally" within a week.
• Reman-Transmission.com: 2-4 business days for most in-stock transmissions on its 6L80 listing; 7-10 business days for in-stock products on its warranty page.
• Street Smart Transmission: most units ship within 2-5 business days and arrive within 5-10 business days.

A remanufactured unit can also come with a core deposit. Reman-Transmission.com lists its 6L80 and 6R80 units with "Core Deposit Waiver Available".

Signs of a failing transmission and what to check first

We did not find a manufacturer list of failure symptoms in the sources we read. Lucas Oil, on the product page of its Transmission Fix, names three complaints of worn transmissions: slip, hesitation and rough shifting.

Before you pay, check the factory powertrain warranty. As printed on November 13, 2026, Ford's Powertrain Warranty covers the transmission for five years or 60,000 miles, whichever occurs first.

Questions and answers