1999 Acura TL 3.2L V6 4-Speed Automatic Transmission JDM J32A M7YA – Complete Guide

The 1999 Acura TL 3.2L V6 is a legendary mid-size luxury sedan that combined Honda’s engineering reliability with Acura’s premium styling. Under its hood sat the JDM J32A engine, paired with the M7YA 4-speed automatic transmission. For enthusiasts, mechanics, and JDM import buyers, understanding the details of this drivetrain is key when considering replacement parts, upgrades, or used JDM engine swaps.

Engine Overview: JDM J32A 3.2L V6

The J32A is part of Honda’s J-series V6 family, known for smooth performance and long life. In the 1999 Acura TL, it offered a balance of power, refinement, and fuel efficiency.

• Engine Code: J32A

• Displacement: 3.2 liters (3,210 cc)

• Configuration: SOHC VTEC V6

• Horsepower: ~225 hp @ 5,500 RPM

• Torque: ~216 lb-ft @ 4,700 RPM

• Fuel System: Multi-point fuel injection

• Valvetrain: 24 valves, SOHC with VTEC

• Compression Ratio: 9.8:1

Known for its reliability, the J32A is a popular JDM swap engine for Acura and Honda owners looking to restore or upgrade performance.

Transmission: M7YA 4-Speed Automatic

The M7YA automatic transmission was the standard gearbox in the 1999 Acura TL 3.2L. While smooth in operation, it has a mixed reputation due to long-term durability issues, making it one of the most commonly replaced components in this generation of TL.

• Transmission Code: M7YA

• Type: 4-speed automatic

• Drive: Front-wheel drive (FWD)

• Gear Ratios:

  • 1st: 2.56

  • 2nd: 1.51

  • 3rd: 1.07

  • 4th: 0.69

  • Reverse: 2.00

• Final Drive Ratio: 4.43

Common Issue: Transmission failure was a known problem in late-90s Acura TLs. Many owners opt for used JDM transmissions as replacements due to better reliability and lower mileage compared to US-market units.

JDM Engine & Transmission Swap Benefits

Buying a JDM J32A engine with M7YA transmission offers several advantages:

1. Lower Mileage: Japanese vehicles are scrapped earlier, meaning JDM engines often have less wear.

2. Cost Savings: Used JDM imports are more affordable than brand-new OEM engines.

3. OEM Fitment: Direct bolt-in for the 1999 Acura TL with minimal modification.

4. Performance Restoration: Brings back factory power and reliability.

Compatibility & Applications

The J32A / M7YA combo is primarily found in:

• 1999 Acura TL 3.2L V6 (UA4 chassis)

• Some compatible Honda Inspire / Saber JDM models

Enthusiasts sometimes swap the J32A into other Honda/Acura platforms (Accord, CL, or even Civic projects) for a cost-effective V6 power upgrade.

Buying Tips for JDM J32A M7YA

When shopping for a used 1999 Acura TL JDM engine or transmission, check:

• Compression test results (for engine health)

• Transmission fluid condition (no burnt smell or metal shavings)

• Warranty or start-up guarantee from seller

• Mileage verification (import paperwork from Japan)

Trusted JDM importers often offer 30–90 day warranties for peace of mind.