TC Remanufacturing DA18 Automatic Transmission Torque Converter

Automatic Torque Converter for Nissan and INFINITI

TC Remanufacturing DA18 is an automatic transmission torque converter built for select Nissan and INFINITI applications. It features a 10.750-inch converter diameter, lock-up design, medium stall, and a slotted hub for the specified 20-spline transmission setup.

Use DA18 when you need a replacement torque converter for Nissan Pathfinder, Nissan 300ZX, Nissan D21, Nissan 240SX, Nissan Pickup, INFINITI QX4, INFINITI J30, or INFINITI M30 applications listed below.

• 10.750-inch converter diameter with lock-up operation
• Medium stall calibration for drivability and engagement balance
• Slotted hub design
• 20 spline count
• 4-pad mounting type with 10mm x 1.25 mounting thread size
• 9.000-inch bolt circle
• 0.785 pilot diameter and 0.730 pilot length
• No ring gear
• Converter codes: 2, A1, A3, A4, A5, A7, A8, A40, A43, A48

Fitment Details

• Fits 2001 Nissan Pathfinder, N/A
• Fits 1988-1995 Nissan Pathfinder, N/A
• Fits 1997 INFINITI QX4, N/A
• Fits 1990-1997 Nissan 240SX, N/A
• Fits 1995-1997 Nissan Pickup, N/A
• Fits 1994-1996 INFINITI J30, N/A
• Fits 1995-1996 Nissan 300ZX, N/A
• Fits 1990-1994 Nissan 300ZX, N/A; Fitment Note: Slotted Hub, 20 Spline Count
• Fits 1990-1994 Nissan D21, N/A
• Fits 1990-1992 INFINITI M30, N/A
• Fits 1986-1989 Nissan D21, N/A; Fitment Note: Slotted Hub, 20 Spline Count

What This Torque Converter Helps Address

• Transmission shudder during lock-up operation
• Delayed or inconsistent torque transfer from the engine to the transmission
• Converter-related vibration or engagement concerns
• Stall-speed mismatch after transmission service
• Fitment issues when replacing a worn OE-style converter on listed Nissan and INFINITI models

Installation Notes and Tips

Confirm the transmission code, spline count, hub style, bolt circle, pilot dimensions, and mounting pattern before installation. This DA18 torque converter is specified with a slotted hub and 20-spline count, and the fitment notes apply to the listed Nissan D21 and Nissan 300ZX applications. Always inspect the transmission front seal, cooler lines, and fluid condition during replacement.

Quality Assurance

TC Remanufacturing supplies remanufactured drivetrain components for transmission service applications. Verify all dimensions and vehicle fitment against the application list before installation to ensure the correct match for your Nissan Pathfinder, Nissan 300ZX, or other listed model.