1978 Dodge Diplomat Radiator Coolant Hoses
Save up to 40% on original replacement 1978 Dodge Diplomat Radiator Coolant Hoses. Navigate our online catalogue to find Radiator Coolant Hoses and other parts designed specifically to fit a 1978 Dodge Diplomat.




Radiator Coolant Hose - Upper
$29.24
$24.80
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.2L 5211cc 318ci V8 (3.91x3.31; 99.3x84.1);
Engine Base: 5.2L 5211cc 318ci V8 (3.91x3.31; 99.3x84.1);
Vehicle Fitment Notes:
Cut to Fit w/o A.C.
Cut to Fit w/o A.C.



Radiator Coolant Hose - Lower
$21.98
$22.69
Limited Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.2L 5211cc 318ci V8 (3.91x3.31; 99.3x84.1);
Engine Base: 5.2L 5211cc 318ci V8 (3.91x3.31; 99.3x84.1);
Vehicle Fitment Notes:
W/A.C.
W/A.C.



Radiator Coolant Hose - Lower
$21.98
$22.69
Limited Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.2L 5211cc 318ci V8 (3.91x3.31; 99.3x84.1);
Engine Base: 5.2L 5211cc 318ci V8 (3.91x3.31; 99.3x84.1);
Vehicle Fitment Notes:
W/O A.C.
W/O A.C.



Radiator Coolant Hose - Lower
$21.98
$22.69
Limited Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.9L 360ci V8 (4.00x3.58; 101.6x90.9);
Engine Base: 5.9L 360ci V8 (4.00x3.58; 101.6x90.9);



Radiator Coolant Hose - Upper
$23.86
$24.50
Limited Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.7L 3687cc 225ci L6 (3.40x4.13; 86.4x104.6);
Engine Base: 3.7L 3687cc 225ci L6 (3.40x4.13; 86.4x104.6);
Vehicle Fitment Notes:
Cut to Fit w/o A.C.
Cut to Fit w/o A.C.



Radiator Coolant Hose - Lower
$34.29
$35.20
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.7L 3687cc 225ci L6 (3.40x4.13; 86.4x104.6);
Engine Base: 3.7L 3687cc 225ci L6 (3.40x4.13; 86.4x104.6);
Vehicle Fitment Notes:
W/A.C.
W/A.C.



Radiator Coolant Hose - Lower
$34.29
$35.20
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.7L 3687cc 225ci L6 (3.40x4.13; 86.4x104.6);
Engine Base: 3.7L 3687cc 225ci L6 (3.40x4.13; 86.4x104.6);
Vehicle Fitment Notes:
W/O A.C.
W/O A.C.



Radiator Coolant Hose - Upper
$32.00
$31.42
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.2L 5211cc 318ci V8 (3.91x3.31; 99.3x84.1);
Engine Base: 5.2L 5211cc 318ci V8 (3.91x3.31; 99.3x84.1);
Vehicle Fitment Notes:
Cut to Fit w/A.C.
Cut to Fit w/A.C.



Radiator Coolant Hose - Upper
$32.00
$31.42
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.9L 360ci V8 (4.00x3.58; 101.6x90.9);
Engine Base: 5.9L 360ci V8 (4.00x3.58; 101.6x90.9);
Vehicle Fitment Notes:
Cut To Fit
Cut To Fit



Radiator Coolant Hose - Upper
$19.07
$20.01
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.7L 3687cc 225ci L6 (3.40x4.13; 86.4x104.6);
Engine Base: 3.7L 3687cc 225ci L6 (3.40x4.13; 86.4x104.6);
Vehicle Fitment Notes:
W/O A.C.
W/O A.C.



Radiator Coolant Hose - Upper
$25.69
$24.61
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.2L 5211cc 318ci V8 (3.91x3.31; 99.3x84.1);
Engine Base: 5.2L 5211cc 318ci V8 (3.91x3.31; 99.3x84.1);
Vehicle Fitment Notes:
W/O A.C.
W/O A.C.



Radiator Coolant Hose - Lower
$20.32
$21.17
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.2L 5211cc 318ci V8 (3.91x3.31; 99.3x84.1);
Engine Base: 5.2L 5211cc 318ci V8 (3.91x3.31; 99.3x84.1);



Radiator Coolant Hose - Lower
$20.32
$21.17
In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.9L 360ci V8 (4.00x3.58; 101.6x90.9);
Engine Base: 5.9L 360ci V8 (4.00x3.58; 101.6x90.9);



Radiator Coolant Hose - Upper
$46.07
$39.06
Limited Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.2L 5211cc 318ci V8 (3.91x3.31; 99.3x84.1);
Engine Base: 5.2L 5211cc 318ci V8 (3.91x3.31; 99.3x84.1);
Vehicle Fitment Notes:
W/A.C.
W/A.C.



Radiator Coolant Hose - Upper
$46.07
$39.06
Limited Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.9L 360ci V8 (4.00x3.58; 101.6x90.9);
Engine Base: 5.9L 360ci V8 (4.00x3.58; 101.6x90.9);

Radiator Coolant Hose - Upper
$16.91
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.7L 3687cc 225ci L6 (3.40x4.13; 86.4x104.6);
Engine Base: 3.7L 3687cc 225ci L6 (3.40x4.13; 86.4x104.6);
Vehicle Fitment Notes:
Exc. AC
Exc. AC

Radiator Coolant Hose - Lower
$24.15
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.2L 5211cc 318ci V8 (3.91x3.31; 99.3x84.1);
Engine Base: 5.2L 5211cc 318ci V8 (3.91x3.31; 99.3x84.1);

Radiator Coolant Hose - Lower
$24.15
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.9L 360ci V8 (4.00x3.58; 101.6x90.9);
Engine Base: 5.9L 360ci V8 (4.00x3.58; 101.6x90.9);

Radiator Coolant Hose - Upper
$35.60
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.2L 5211cc 318ci V8 (3.91x3.31; 99.3x84.1);
Engine Base: 5.2L 5211cc 318ci V8 (3.91x3.31; 99.3x84.1);

Radiator Coolant Hose - Upper
$35.60
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.9L 360ci V8 (4.00x3.58; 101.6x90.9);
Engine Base: 5.9L 360ci V8 (4.00x3.58; 101.6x90.9);

Radiator Coolant Hose - Upper
$26.02
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.2L 5211cc 318ci V8 (3.91x3.31; 99.3x84.1);
Engine Base: 5.2L 5211cc 318ci V8 (3.91x3.31; 99.3x84.1);
Vehicle Fitment Notes:
Cut To Fit
Cut To Fit

Radiator Coolant Hose - Upper
$26.02
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.9L 360ci V8 (4.00x3.58; 101.6x90.9);
Engine Base: 5.9L 360ci V8 (4.00x3.58; 101.6x90.9);
Vehicle Fitment Notes:
Cut To Fit
Cut To Fit

Radiator Coolant Hose - Upper
$20.91
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.7L 3687cc 225ci L6 (3.40x4.13; 86.4x104.6);
Engine Base: 3.7L 3687cc 225ci L6 (3.40x4.13; 86.4x104.6);
Vehicle Fitment Notes:
Exc. AC Cut to Fit
Exc. AC Cut to Fit

Radiator Coolant Hose - Lower
$28.92
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.7L 3687cc 225ci L6 (3.40x4.13; 86.4x104.6);
Engine Base: 3.7L 3687cc 225ci L6 (3.40x4.13; 86.4x104.6);

Radiator Coolant Hose - Lower
$20.72
Limited Stock
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.2L 5211cc 318ci V8 (3.91x3.31; 99.3x84.1);
Engine Base: 5.2L 5211cc 318ci V8 (3.91x3.31; 99.3x84.1);

Radiator Coolant Hose - Lower
$20.72
Limited Stock
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.9L 360ci V8 (4.00x3.58; 101.6x90.9);
Engine Base: 5.9L 360ci V8 (4.00x3.58; 101.6x90.9);

Radiator Coolant Hose - Upper
$17.06
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 3.7L 3687cc 225ci L6 (3.40x4.13; 86.4x104.6);
Engine Base: 3.7L 3687cc 225ci L6 (3.40x4.13; 86.4x104.6);
Vehicle Fitment Notes:
W/AC Cut to Fit
W/AC Cut to Fit



Radiator Coolant Hose - Upper
$19.78
$15.98
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 3.7L 3687cc 225ci L6 (3.40x4.13; 86.4x104.6);
Engine Base: 3.7L 3687cc 225ci L6 (3.40x4.13; 86.4x104.6);
Vehicle Fitment Notes:
Cut to Fit w/A.C.
Cut to Fit w/A.C.