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BALDWIN · Engine Oil Filter

OB40078

Replacement Filter Base

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Call either store for your current price.
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Kingston APCCall for availability

Stock checked September 11, 1:46 PM Eastern. Call before travelling so we can confirm what is still available.

Call Belleville ↗Call Kingston ↗Text your part number ↗

THE DETAILS THAT MATTER

FILTER SPECIFICATIONS.

Filter type
Replacement Filter Base
Outside diameter
4 in.
Outside diameter (mm)
101.6
Length
1 3/8 in.
Length (mm)
34.9
Contains
Threaded Stud: 13/16-16;[2] 1/4 In. Bolts;[2] 5/16 In. Bolts
Use with
B6, B7
Manufacturer part number
OB40078
GTIN
00791440112940

Spin-on conversion for Chevrolet V8 engines.

Baldwin replacement references: ACDelco K157; GMC 6438357; Motorcraft FL774

Baldwin PIES August 20, 2026 · Baldwin Product Guide July 24, 2026.

START WITH THE NUMBER YOU HAVE

CROSS-REFERENCE NUMBERS.

Baldwin’s reference lists the numbers below for OB40078. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

14 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
ACDELCOK1571
BALDWIN FILTERSOB400781
CARQUEST890611
FRAM FiltersHPK11
FRAM FiltersK98ADP1
FRAM FiltersK98APD1
GM GENERAL MOTORS64383571
GRAINGER55CP571
HASTINGSKF21
MOTORCRAFTFL7741
NAPA GOLD40611
NAPA X40611
PUROLATORPS1461
WIX240611

Source: Baldwin Specs & Interchange · July 27, 2026. Reference quantity is part of the manufacturer’s cross-reference, not store stock.

CHECK THE EQUIPMENT. CHECK THE ENGINE.

APPLICATIONS & EQUIPMENT.

Call with your equipment model, engine and the number on the existing filter. Our counter will help verify the application.

A REAL COUNTER. CLOSE TO HOME.

YOUR LOCAL FILTER PEOPLE.

Bring the number off your old filter, or your equipment and engine details. We’ll help check the match.