Northern Radiator

Northern Radiator will be closed on 11/28 and 11/29 in observance of Thanksgiving.

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RADIATOR CAPS

DescriptionEngine SizeNotesU/M
rw0021-1 radiator cap - 7 lb (psi) fits 3/4 inch deep neck
Part #RW0021-1
Radiator Cap - 7 Lb (PSI) Fits 3/4 Inch Deep Neck
EACH
rw0021-11 radiator cap - 4 lb (psi) fits 2 3/16 inch o.d. 3/4 inch deep neck
Part #RW0021-11
Radiator Cap - 4 Lb (PSI) Fits 2 3/16 Inch O.D. 3/4 Inch Deep Neck
EACH
rw0021-12 radiator cap - 16 lb (psi) fits 3/4 inch deep neck
Part #RW0021-12
Radiator Cap - 16 Lb (PSI) Fits 3/4 Inch Deep Neck
EACH
rw0021-14 radiator cap - 7 lb (psi) fits 1 inch deep neck
Part #RW0021-14
Radiator Cap - 7 Lb (PSI) Fits 1 Inch Deep Neck
EACH
rw0021-15 radiator cap - 4 lb (psi) fits 1 inch deep neck
Part #RW0021-15
Radiator Cap - 4 Lb (PSI) Fits 1 Inch Deep Neck
EACH
rw0021-2 radiator cap - 13 lb (psi) fits 3/4 inch deep neck
Part #RW0021-2
Radiator Cap - 13 Lb (PSI) Fits 3/4 Inch Deep Neck
EACH
rw0021-22 radiator cap - 16 lb (psi) fits 3/4 inch deep neck
Part #RW0021-22
Radiator Cap - 16 Lb (PSI) Fits 3/4 Inch Deep Neck
EACH
rw0021-23 radiator cap - 16 lb (psi) fits 32mm id, 16mm deep neck
Part #RW0021-23
Radiator Cap - 16 Lb (PSI) Fits 32mm Id, 16Mm Deep Neck
EACH
rw0021-24 radiator cap - 10 lb (psi) fits 2 3/16 o.d. neck
Part #RW0021-24
Radiator Cap - 10 Lb (PSI) Fits 2 3/16 O.D. Neck
EACH
rw0021-25 radiator cap - 10 lb (psi) fits 2 3/16 o.d. 1 inch deep neck
Part #RW0021-25
Radiator Cap - 10 Lb (PSI) Fits 2 3/16 O.D. 1 Inch Deep Neck
EACH
rw0021-292b radiator cap - (for radiator overflow reservoir) 7 lb (psi) fits 2 11/16 o.d - 3/4 inch deep neck
Part #RW0021-292B
Radiator Cap - (For Radiator Overflow Reservoir) 7 Lb (PSI) Fits 2 11/16 O.D - 3/4 Inch Deep Neck
EACH
rw0021-294b radiator cap - 15 lb (psi) fits 2 11/16 o.d 3/4 inch deep neck
Part #RW0021-294B
Radiator Cap - 15 Lb (PSI) Fits 2 11/16 O.D 3/4 Inch Deep Neck
EACH
rw0021-3 radiator cap - 13 lb (psi) fits 3/4 inch deep neck
Part #RW0021-3
Radiator Cap - 13 Lb (PSI) Fits 3/4 Inch Deep Neck
EACH
rw0021-4 radiator cap - 7 lb (psi) fits 2 11/16 o.d. 3/4 inch deep neck
Part #RW0021-4
Radiator Cap - 7 Lb (PSI) Fits 2 11/16 O.D. 3/4 Inch Deep Neck
EACH
rw0021-40 radiator cap - 10 lb (psi) fits 2 11/16 o.d 3/4 inch deep neck
Part #RW0021-40
Radiator Cap - 10 Lb (PSI) Fits 2 11/16 O.D 3/4 Inch Deep Neck
EACH
rw0021-5 radiator cap - 10 lb (psi) fits 3/4 inch deep neck
Part #RW0021-5
Radiator Cap - 10 Lb (PSI) Fits 3/4 Inch Deep Neck
EACH
rw0021-6 radiator cap - 13 lb (psi) fits 32mm id,16mm deep neck
Part #RW0021-6
Radiator Cap - 13 Lb (PSI) Fits 32Mm Id,16Mm Deep Neck
EACH
rw0021-65 radiator cap - 13 lb (psi) foreign cap 10mm deep neck
Part #RW0021-65
Radiator Cap - 13 Lb (PSI) Foreign Cap 10Mm Deep Neck
EACH
rw0021-66 radiator cap - 16 lb (psi) foreign cap 10mm deep neck
Part #RW0021-66
Radiator Cap - 16 Lb (PSI) Foreign Cap 10Mm Deep Neck
EACH
rw0021-70 radiator cap - 10 lb (psi) fits 3/4 inch deep neck (metal cap)
Part #RW0021-70
Radiator Cap - 10 Lb (PSI) Fits 3/4 Inch Deep Neck (Metal Cap)
EACH
rw0021-72 radiator cap - 10 lb (psi) fits 3/4 inch deep neck (metal cap)
Part #RW0021-72
Radiator Cap - 10 Lb (PSI) Fits 3/4 Inch Deep Neck (Metal Cap)
EACH
rw0021-74 radiator cap - 20 lb (psi) fits 3/4 inch deep neck (metal cap)
Part #RW0021-74
Radiator Cap - 20 Lb (PSI) Fits 3/4 Inch Deep Neck (Metal Cap)
EACH
rw0021-75 radiator cap - 15 lb (psi) dual o-ring nylon cap
Part #RW0021-75
Radiator Cap - 15 Lb (PSI) Dual O-Ring Nylon Cap
EACH
rw0021-76 freightliner nylon surge tank cap (no pressure rating)
Part #RW0021-76
Freightliner Nylon Surge Tank Cap (No Pressure Rating)
EACH
rw0021-77 radiator cap - 15 lb (psi) large diameter metal cap
Part #RW0021-77
Radiator Cap - 15 Lb (PSI) Large Diameter Metal Cap
EACH
rw0021-78 radiator cap - 15 lb (psi) ratcheting nylon cap
Part #RW0021-78
Radiator Cap - 15 Lb (PSI) Ratcheting Nylon Cap
EACH
rw0021-79 radiator cap - 10 lb (psi) nylon cap
Part #RW0021-79
Radiator Cap - 10 Lb (PSI) Nylon Cap
EACH
rw0021-80 radiator cap - 13 lb (psi) fits 3/4 inch deep neck (metal cap)
Part #RW0021-80
Radiator Cap - 13 Lb (PSI) Fits 3/4 Inch Deep Neck (Metal Cap)
EACH
rw0021-82 radiator cap - 10 lb (psi) with black rubber skirt
Part #RW0021-82
Radiator Cap - 10 Lb (PSI) With Black Rubber Skirt
EACH
rw0021-83 radiator cap - 15 lb (psi) fits 3/4" deep necks
Part #RW0021-83
Radiator Cap - 15 LB (PSI) Fits 3/4" Deep Necks
each
rw0021-9 radiator cap - 4 lb (psi) fits 2 11/16 inch o.d 3/4 inch deep neck
Part #RW0021-9
Radiator Cap - 4 Lb (PSI) Fits 2 11/16 Inch O.D 3/4 Inch Deep Neck
EACH
z17700 radiator cap - 16 lb psi automotive cap with sacrificial anode
Part #Z17700
Radiator Cap - 16 Lb PSI Automotive Cap With Sacrificial Anode
EACH
z17703 radiator cap - 15 lb psi truck cap with sacrificial anode
Part #Z17703
Radiator Cap - 15 Lb PSI Truck Cap With Sacrificial Anode
EACH
z17704 radiator cap - 13 lb psi automotive cap with sacrificial anode
Part #Z17704
Radiator Cap - 13 Lb PSI Automotive Cap With Sacrificial Anode
EACH
z17705 radiator cap - 7 lb psi automotive cap with sacrificial anode
Part #Z17705
Radiator Cap - 7 Lb PSI Automotive Cap With Sacrificial Anode
EACH
z19200 radiator cap - 20 lb psi high pressure race cap
Part #Z19200
Radiator Cap - 20 Lb PSI High Pressure Race Cap
EACH
z19201 radiator cap - 24 lb psi high pressure race cap
Part #Z19201
Radiator Cap - 24 Lb PSI High Pressure Race Cap
EACH
z19202 radiator cap - 28 lb psi super high pressure race cap
Part #Z19202
Radiator Cap - 28 Lb PSI Super High Pressure Race Cap
EACH
z19203 radiator cap - no longer available
Part #Z19203
Radiator Cap - No Longer Available
EACH
z19210 radiator cap - 26 lb psi high pressure race cap for sprint cars
Part #Z19210
Radiator Cap - 26 Lb PSI High Pressure Race Cap For Sprint Cars
EACH
z19216 radiator cap - no longer available
Part #Z19216
Radiator Cap - No Longer Available
EACH

RADIATOR CAPS

DescriptionEngine SizeNotesU/M
rw0021-1 radiator cap - 7 lb (psi) fits 3/4 inch deep neck
Part #RW0021-1
Radiator Cap - 7 Lb (PSI) Fits 3/4 Inch Deep Neck
EACH
rw0021-11 radiator cap - 4 lb (psi) fits 2 3/16 inch o.d. 3/4 inch deep neck
Part #RW0021-11
Radiator Cap - 4 Lb (PSI) Fits 2 3/16 Inch O.D. 3/4 Inch Deep Neck
EACH
rw0021-12 radiator cap - 16 lb (psi) fits 3/4 inch deep neck
Part #RW0021-12
Radiator Cap - 16 Lb (PSI) Fits 3/4 Inch Deep Neck
EACH
rw0021-14 radiator cap - 7 lb (psi) fits 1 inch deep neck
Part #RW0021-14
Radiator Cap - 7 Lb (PSI) Fits 1 Inch Deep Neck
EACH
rw0021-15 radiator cap - 4 lb (psi) fits 1 inch deep neck
Part #RW0021-15
Radiator Cap - 4 Lb (PSI) Fits 1 Inch Deep Neck
EACH
rw0021-2 radiator cap - 13 lb (psi) fits 3/4 inch deep neck
Part #RW0021-2
Radiator Cap - 13 Lb (PSI) Fits 3/4 Inch Deep Neck
EACH
rw0021-22 radiator cap - 16 lb (psi) fits 3/4 inch deep neck
Part #RW0021-22
Radiator Cap - 16 Lb (PSI) Fits 3/4 Inch Deep Neck
EACH
rw0021-23 radiator cap - 16 lb (psi) fits 32mm id, 16mm deep neck
Part #RW0021-23
Radiator Cap - 16 Lb (PSI) Fits 32mm Id, 16Mm Deep Neck
EACH
rw0021-24 radiator cap - 10 lb (psi) fits 2 3/16 o.d. neck
Part #RW0021-24
Radiator Cap - 10 Lb (PSI) Fits 2 3/16 O.D. Neck
EACH
rw0021-25 radiator cap - 10 lb (psi) fits 2 3/16 o.d. 1 inch deep neck
Part #RW0021-25
Radiator Cap - 10 Lb (PSI) Fits 2 3/16 O.D. 1 Inch Deep Neck
EACH
rw0021-292b radiator cap - (for radiator overflow reservoir) 7 lb (psi) fits 2 11/16 o.d - 3/4 inch deep neck
Part #RW0021-292B
Radiator Cap - (For Radiator Overflow Reservoir) 7 Lb (PSI) Fits 2 11/16 O.D - 3/4 Inch Deep Neck
EACH
rw0021-294b radiator cap - 15 lb (psi) fits 2 11/16 o.d 3/4 inch deep neck
Part #RW0021-294B
Radiator Cap - 15 Lb (PSI) Fits 2 11/16 O.D 3/4 Inch Deep Neck
EACH
rw0021-3 radiator cap - 13 lb (psi) fits 3/4 inch deep neck
Part #RW0021-3
Radiator Cap - 13 Lb (PSI) Fits 3/4 Inch Deep Neck
EACH
rw0021-4 radiator cap - 7 lb (psi) fits 2 11/16 o.d. 3/4 inch deep neck
Part #RW0021-4
Radiator Cap - 7 Lb (PSI) Fits 2 11/16 O.D. 3/4 Inch Deep Neck
EACH
rw0021-40 radiator cap - 10 lb (psi) fits 2 11/16 o.d 3/4 inch deep neck
Part #RW0021-40
Radiator Cap - 10 Lb (PSI) Fits 2 11/16 O.D 3/4 Inch Deep Neck
EACH
rw0021-5 radiator cap - 10 lb (psi) fits 3/4 inch deep neck
Part #RW0021-5
Radiator Cap - 10 Lb (PSI) Fits 3/4 Inch Deep Neck
EACH
rw0021-6 radiator cap - 13 lb (psi) fits 32mm id,16mm deep neck
Part #RW0021-6
Radiator Cap - 13 Lb (PSI) Fits 32Mm Id,16Mm Deep Neck
EACH
rw0021-65 radiator cap - 13 lb (psi) foreign cap 10mm deep neck
Part #RW0021-65
Radiator Cap - 13 Lb (PSI) Foreign Cap 10Mm Deep Neck
EACH
rw0021-66 radiator cap - 16 lb (psi) foreign cap 10mm deep neck
Part #RW0021-66
Radiator Cap - 16 Lb (PSI) Foreign Cap 10Mm Deep Neck
EACH
rw0021-70 radiator cap - 10 lb (psi) fits 3/4 inch deep neck (metal cap)
Part #RW0021-70
Radiator Cap - 10 Lb (PSI) Fits 3/4 Inch Deep Neck (Metal Cap)
EACH
rw0021-72 radiator cap - 10 lb (psi) fits 3/4 inch deep neck (metal cap)
Part #RW0021-72
Radiator Cap - 10 Lb (PSI) Fits 3/4 Inch Deep Neck (Metal Cap)
EACH
rw0021-74 radiator cap - 20 lb (psi) fits 3/4 inch deep neck (metal cap)
Part #RW0021-74
Radiator Cap - 20 Lb (PSI) Fits 3/4 Inch Deep Neck (Metal Cap)
EACH
rw0021-75 radiator cap - 15 lb (psi) dual o-ring nylon cap
Part #RW0021-75
Radiator Cap - 15 Lb (PSI) Dual O-Ring Nylon Cap
EACH
rw0021-76 freightliner nylon surge tank cap (no pressure rating)
Part #RW0021-76
Freightliner Nylon Surge Tank Cap (No Pressure Rating)
EACH
rw0021-77 radiator cap - 15 lb (psi) large diameter metal cap
Part #RW0021-77
Radiator Cap - 15 Lb (PSI) Large Diameter Metal Cap
EACH
rw0021-78 radiator cap - 15 lb (psi) ratcheting nylon cap
Part #RW0021-78
Radiator Cap - 15 Lb (PSI) Ratcheting Nylon Cap
EACH
rw0021-79 radiator cap - 10 lb (psi) nylon cap
Part #RW0021-79
Radiator Cap - 10 Lb (PSI) Nylon Cap
EACH
rw0021-80 radiator cap - 13 lb (psi) fits 3/4 inch deep neck (metal cap)
Part #RW0021-80
Radiator Cap - 13 Lb (PSI) Fits 3/4 Inch Deep Neck (Metal Cap)
EACH
rw0021-82 radiator cap - 10 lb (psi) with black rubber skirt
Part #RW0021-82
Radiator Cap - 10 Lb (PSI) With Black Rubber Skirt
EACH
rw0021-83 radiator cap - 15 lb (psi) fits 3/4" deep necks
Part #RW0021-83
Radiator Cap - 15 LB (PSI) Fits 3/4" Deep Necks
each
rw0021-9 radiator cap - 4 lb (psi) fits 2 11/16 inch o.d 3/4 inch deep neck
Part #RW0021-9
Radiator Cap - 4 Lb (PSI) Fits 2 11/16 Inch O.D 3/4 Inch Deep Neck
EACH
z17700 radiator cap - 16 lb psi automotive cap with sacrificial anode
Part #Z17700
Radiator Cap - 16 Lb PSI Automotive Cap With Sacrificial Anode
EACH
z17703 radiator cap - 15 lb psi truck cap with sacrificial anode
Part #Z17703
Radiator Cap - 15 Lb PSI Truck Cap With Sacrificial Anode
EACH
z17704 radiator cap - 13 lb psi automotive cap with sacrificial anode
Part #Z17704
Radiator Cap - 13 Lb PSI Automotive Cap With Sacrificial Anode
EACH
z17705 radiator cap - 7 lb psi automotive cap with sacrificial anode
Part #Z17705
Radiator Cap - 7 Lb PSI Automotive Cap With Sacrificial Anode
EACH
z19200 radiator cap - 20 lb psi high pressure race cap
Part #Z19200
Radiator Cap - 20 Lb PSI High Pressure Race Cap
EACH
z19201 radiator cap - 24 lb psi high pressure race cap
Part #Z19201
Radiator Cap - 24 Lb PSI High Pressure Race Cap
EACH
z19202 radiator cap - 28 lb psi super high pressure race cap
Part #Z19202
Radiator Cap - 28 Lb PSI Super High Pressure Race Cap
EACH
z19203 radiator cap - no longer available
Part #Z19203
Radiator Cap - No Longer Available
EACH
z19210 radiator cap - 26 lb psi high pressure race cap for sprint cars
Part #Z19210
Radiator Cap - 26 Lb PSI High Pressure Race Cap For Sprint Cars
EACH
z19216 radiator cap - no longer available
Part #Z19216
Radiator Cap - No Longer Available
EACH