Flex-a-Lite 3961-3967 Oil Filter Sandwich Adapter - Manual

Rev. 05-21-13 99797 Page 1 of 2
Oil Filter Sandwich Adapter
Note: Always read instruction and verify kit contents prior to installation.
Sandwich Adaptor............................1 ea. Mounting Nut............................1 ea.
O-Ring...................................................1 ea.
Part # Screw Thread Add’l Clearance
Req’d
O-Ring Dia. General Application
3961 3/4”-16 1-5/8” 2-1/2” Most Audi, Ford & Ford Truck, Lincoln,
Mercury, Dodge, BMW, Jeep, Lexus, non-
metric Mazda, non-metric Nissan, Saab, all
Saturn, all Range Rover, all Suzuki, Toyota,
all Volkswagen, all Volvo.
3962 18mm x 1.5 1-5/8” 2-1/2” Most Buick L4 & V6, most Oldsmobile,
some Pontiac, metric Cadillac, Chevy: all
V6 & most 4cyl., some Isuzu, Jeep V6, met-
ric AMC, Saab V6
3963 13/16”-16 2-1/4” 3-1/8” Chevy V8s with recessed spin on filter.
(Not offered with pressure relief valve;
these engines have built-in pressure relief
valves.)
3964 13/16”-16 1-5/8” 3-1/8” Many early 4 & 6cyl. Chevy, some 4, 6 &
8cyl. Buick, Pontiac & Oldsmobile.
3965 20mm x 1.5 1-5/8” 2-1/2” Most Acura, some metric Chevy, some
metric Ford, metric versions of Chrysler,
Dodge, Mazda, Nissan, Plymouth & Pon-
tiac, Porsche, Subaru, most Honda, most
Isuzu, some Jeep, some Mercury, Mitsubi-
shi.
3966 13/16”-16 1-5/8” 2-1/2” Non-metric versions of: AMC, Cadillac,
2.4 L Chevy, Jeep L6 & V8 1965 thru 1986,
Buick, Oldsmobile, Pontiac.
3967 22mm x 1.5 1-5/8” 2-1/2” Some Acura, some metric Chevy, some
Ford V6, V8 & V10, Honda Civic & CRX,
some metric Lincoln/Mercury V6 & V8.
Required for most engine oil cooler installations to provide oil flow to the cooler. Select the
sandwich adapter whose oil filter gasket diameter and screw thread match your vehicle. You must
purchase 3/8” or ½” NPT hose adapter fittings that match your oil cooler hose fittings. Flex-a-lite
hose kits (FAL #3941 and #3942) include 3/8” hose adapter fittings.
*Model #3961 shown for represen-
tation only. Your model may vary in
appearance.