1979 Cadillac DeVille Fuel Cap Tester Adapters
Save up to 40% on original replacement 1979 Cadillac DeVille Fuel Cap Tester Adapters. Navigate our online catalogue to find Fuel Cap Tester Adapters and other parts designed specifically to fit a 1979 Cadillac DeVille.








Fuel Cap Tester Adapter
$19.84
Limited Stock
Ships: Today, Sep. 22nd
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);







Fuel Cap Tester Adapter
$19.84
Limited Stock
Ships: Today, Sep. 22nd
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
Black Adapter attached Stant tester 12300 and/or 12400
Black Adapter attached Stant tester 12300 and/or 12400







Fuel Cap Tester Adapter
$19.84
Limited Stock
Ships: Today, Sep. 22nd
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 7.0L 425ci V8 (4.08x4.06; 103.7x103.1);
Engine Base: 7.0L 425ci V8 (4.08x4.06; 103.7x103.1);







Fuel Cap Tester Adapter
$19.84
Limited Stock
Ships: Today, Sep. 22nd
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Pick-Up: Ready in 2-3 Hours (Order before 3:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 7.0L 425ci V8 (4.08x4.06; 103.7x103.1);
Engine Base: 7.0L 425ci V8 (4.08x4.06; 103.7x103.1);
Vehicle Fitment Notes:
Black Adapter attached Stant tester 12300 and/or 12400
Black Adapter attached Stant tester 12300 and/or 12400







Fuel Cap Tester Adapter
$33.34
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);







Fuel Cap Tester Adapter
$33.34
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Vehicle Fitment Notes:
Adapter used with Stant tester 12300 and/or 12400 Purple
Adapter used with Stant tester 12300 and/or 12400 Purple







Fuel Cap Tester Adapter
$33.34
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.0L 425ci V8 (4.08x4.06; 103.7x103.1);
Engine Base: 7.0L 425ci V8 (4.08x4.06; 103.7x103.1);







Fuel Cap Tester Adapter
$33.34
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.0L 425ci V8 (4.08x4.06; 103.7x103.1);
Engine Base: 7.0L 425ci V8 (4.08x4.06; 103.7x103.1);
Vehicle Fitment Notes:
Adapter used with Stant tester 12300 and/or 12400 Purple
Adapter used with Stant tester 12300 and/or 12400 Purple