2018 Lincoln Navigator Transmission Replacement Cost

A 2018 Lincoln Navigator transmission replacement usually means a remanufactured 10R80 — remanufactured units run about $3,525–$3,580 for the part itself, and used units run about $2,631–$3,759. The 10R80's known defect is the CDF clutch drum bushing — check it first, because it decides the repair.

CDF clutch drum bushing walk-out (10R80) The most documented mechanical defect on 10R80 units built before mid-2022 involves an internal bushing inside the CDF clutch cylinder. Over time this small bushing can walk out of its press-fit position, causing harsh shifts, slippage, and loss of drive. This is a known factory defect, not wear from abuse — and a remanufactured unit with the updated grooved drum is the repair that fixes it properly.

Harsh shifts from a stop Abrupt shifts when accelerating from a dead stop — especially in cold weather — are the most-reported 10R80 complaint. Valve-body wear and the CDF bushing are the two causes to check; the bushing is the one that means replacement rather than a service.

Slipping and delayed engagement If the engine revs climb without matching acceleration, or Drive takes a moment to engage, the clutches are slipping. Slipping that worsens as the transmission warms up is internal wear — and on a pre-mid-2022 10R80, the CDF drum should be the first suspect.

A used 10R80 is the lower-cost path and a first-class option here: a pull from a donor vehicle, inspected and documented with mileage, that gets a solid vehicle running again without a large outlay. It carries up to 1 year or 12,000 miles of parts-only coverage. A remanufactured 10R80 is fully disassembled, inspected, and rebuilt to specification with new wear components and tested before it ships. It costs more, but it arrives with the stronger warranty — up to 60 months with unlimited miles, parts and labor — and it is the smarter long-term choice if you plan to keep the vehicle for years. Either way, confirm the VIN, the transmission code, and 2WD versus 4WD before you order, and have a licensed shop do the install. See the live stocked units for this 2018 Lincoln Navigator at ironcladautoparts.com/transmissions/lincoln/lincoln-navigator/2018.

We back every transmission we sell, and the two warranties are different in a way that matters when you choose. A remanufactured transmission carries up to 60 months of coverage with unlimited miles, parts and labor included, nationwide and transferable, with labor reimbursed per the Mitchell labor guide after an approved claim. A used transmission carries up to 1 year or 12,000 miles, parts only, with no labor reimbursement. Both require installation by a Licensed Automotive Repair Facility. Remanufactured units also carry a refundable core charge, returned when your old transmission comes back to us.

Replacement is the right move when the failure is internal and the rest of the vehicle is worth saving — solid body and frame, good tires, no major suspension or electrical issues. A quality used or remanufactured transmission can extend the life of an otherwise good vehicle by years at a fraction of the cost of a replacement vehicle. Get an honest assessment first: if the vehicle also needs major work elsewhere, or the repair cost approaches the vehicle's value, the math changes. Proper diagnosis from a trusted mechanic is the essential first step — don't replace what doesn't need replacing, but don't pour repair money into a transmission that is already mechanically compromised.

• Warranty policy and Expedia Protection: /warranty
• Transmission slip and shudder after replacement: /blog/transmission-slip-and-shudder-after-replacement
• Valve body issue or software issue: /blog/valve-body-issue-or-software-issue
• Used and reman transmissions: /used-transmissions
• Core return process: /core-return
• Shipping and freight delivery: /help-center/he-05130-what-are-the-different-shipping-options-costs-and-transit-times