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Oil Filter Sandwich Adapter with 20mm Thread

Quick Overview

Flex-a-lite® sandwich adapter with 20mm thread.


This Flex-a-lite® sandwich adapter is used to add an oil filter to a vehicle that didn’t originally come with one. This application fits most Acura, some metric Chevy, some metric Ford, metric versions of Chrysler, Dodge, Mazda, Nissan, Plymouth & Pontiac, Porsche, Subaru, most Honda, most Isuzu, some Jeep, some Mercury, Mitsubishi.

  • 20x1.5mm thread
  • 1 5/8-inch thick adapter
  • 2 ½-inch O-ring

WARNING: This product can expose you to chemicals, including lead and phthalates, known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to

Installation Instructions

PDF Install Instructions: 3961-3967 99797.pdf

Additional Information

SKU 108596
Legacy Model Number 3965
Model 1, 2, 3 Class C Motorhomes, 3000GT, 323, 350Z, 626, 929, Amigo, Arrow, Blazer, Camaro, Chevelle, CL Series, Cordia, Dakota, Diamante, Eagle, Eclipse, El Camino, Endeavor, Escort, Galant, I-Mark, Impulse, Integra, Lancer, Laser, Legacy, Legend, Malibu, MDX, Miata, Mighty Max Pickup, Mirage, Montero, MPV Van, MX-6, Neon, Outback, Power Ram 50, Precis, Protege, Protege 5, Raider, Ram 50, Ranger, RL Series, Rodeo, RSX, RSX Type S, RX-7, SLX, Stylus, SX-4, SX-5, Talon, Titan, TL Series, Tredia, TSX
Fitment Notes No
Displacement CID 121, 121(4WD), 135 Diesel, 140 Diesel, 147, 147(4WD), 156, 156(2WD), 156(4WD), 184, 184(4WD), 229, 230, 231, 250, 258, 292, 360