Baldwin 18011 Transmission Filter

Transmission Oil Filter for Nissan and Infiniti

Baldwin 18011 is a transmission oil filter for vehicles equipped with the 4F20E front-wheel-drive transmission. It is built to match the listed OE-style applications for Nissan, Infiniti, and Mercury Villager models, with a pan gasket included for service work on the transmission pan.

Key Features

• Transmission oil filter for 4F20E FWD applications
• Pan gasket included
• Pan gasket contains 21 bolt holes
• Dimensions: 1 5/32 in. height, 6 7/32 in. length, 5 23/32 in. width
• Replaces Nissan 31728-80X03 and Wix 58602
• Fits select Infiniti I30, Infiniti I35, Nissan Altima, Nissan Maxima, Nissan Quest, and Mercury Villager applications

Detailed Description

Baldwin 18011 transmission oil filter is specified for select 1992-2004 Nissan and Infiniti vehicles using the 4F20E transmission, along with 1993-2002 Mercury Villager applications. This Baldwin 18011 filter is sized for the listed transmission pan and includes a gasket with 21 bolt holes, helping match the original service layout during transmission maintenance. It cross-references Nissan 31728-80X03 and Wix 58602 for the same application.

Compatible vehicle coverage includes Fits 2002-2004 INFINITI I35, N/A; Fits 1993-2002 Mercury Villager, N/A; Fits 1998-2002 Nissan Maxima, N/A; Fits 1993-2002 Nissan Quest, N/A; Fits 2000 Nissan Altima, N/A; Fits 1998 Nissan Altima, N/A; Fits 1996-1999 INFINITI I30, N/A; Fits 1993-1997 Nissan Altima, N/A; and Fits 1992-1997 Nissan Maxima, N/A.

Common Service Uses

• Transmission fluid service on Nissan Maxima and Nissan Altima models
• Filter replacement during pan removal and gasket service
• Maintenance for Infiniti I30 and Infiniti I35 automatic transmission systems
• Service work on Mercury Villager transmission pans with 21-bolt-hole gasket pattern
• Restoring proper filtration in 4F20E-equipped front-wheel-drive vehicles

Installation Notes and Tips

Verify transmission identification before ordering, since this filter is listed for 4F20E front-wheel-drive applications only. Confirm pan bolt-hole count and gasket fitment against the removed part, and inspect the pan sealing surface before installation. Use clean transmission fluid and follow the vehicle service procedure for pan removal, filter replacement, and refill.

Quality Assurance

Baldwin manufactures filtration components for automotive service applications, and this part is built to the listed dimensions and OE reference numbers for direct replacement use on the specified vehicles.