SAVE 10% SITEWIDE
Click to Apply
Brands Vehicles
Lowest Prices
Free Returns
Online Since 2009
JOIN GEARS TO SAVE 5%
Shop All Brands Shop All Vehicles

  2. Auto Parts
  3. Belts and Cooling
  4. Hoses and Pipes
  5. Radiator Coolant Hose
  6. ACDelco 31608

ACDelco 31608 Radiator Coolant Hose

ACDelco 31608 Radiator Coolant Hose Image 1
ACDelco 31608 Radiator Coolant Hose Image 2
ACDelco 31608 Radiator Coolant Hose

ACDelco
Brand:ACDelco
Part Number: 31608
UPC: 00021625294957
Weight: 0.27 lbs
Condition:New



On Sale:

$17.58

Availability:
2 in Stock
Warehouse: US-12
Quantity:

Product Information

Description:

HOSE R (35)

ACDelco Gold (Professional) Radiator Coolant Hoses are a high quality alternative to Original Equipment (OE) parts. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional. ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features and Benefits:

  • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
  • Premium aftermarket replacement part
  • Some ACDelco Gold parts may have formerly appeared as ACDelco Professional

Specifications:

Branch Quantity:
0
Centerline Length:
191 mm
Color:
Black
End 1 Inside Diameter:
1.25 in.
End 1 Inside Diameter:
32.0 mm
End 2 Inside Diameter:
1.25 in.
End 2 Inside Diameter:
32.0 mm
Material:
Reinforced Rubber
Measurements:
1 1/4 in x 7 1/2
Protective Sleeve Attached:
No
Country of Origin:
MX

Select a vehicle to narrow ACDelco 31608 Radiator Coolant Hose fitment info!

Last Updated: 03/10/2024

Years Vehicle Per Vehicle Position Fit NotesFitment Notes

1974

 

1973

 

1974

 

1973

 
BMW 2002

2.0L L4 Gas SOHC Turbo
1
 
Lower - Pipe To Radiator
 
Gold-Flexible
 

BMW 2002



2.0L L4 Gas SOHC Turbo

Lower - Pipe To Radiator Gold-Flexible

1 Per Vehicle

1974

 

1973

 

1972

 

1974

 

1973

 

1972

 
BMW 2002

2.0L L4 Gas SOHC
1
 
Lower - Pipe To Radiator
 
Gold-Flexible
 

BMW 2002



2.0L L4 Gas SOHC

Lower - Pipe To Radiator Gold-Flexible

1 Per Vehicle

1972

 

1972

 
BMW 2002tii

2.0L L4 Gas SOHC
1
 
Lower - Pipe To Radiator
 
Gold-Flexible
 

BMW 2002tii



2.0L L4 Gas SOHC

Lower - Pipe To Radiator Gold-Flexible

1 Per Vehicle

1954

 

1953

 

1952

 

1951

 

1950

 

1954

 

1953

 

1952

 

1951

 

1950

 
Chevrolet Bel Air

3.8L L6 Gas OHV
1
 
Upper
 
Gold-Flexible
 

Chevrolet Bel Air



3.8L L6 Gas OHV

Upper Gold-Flexible

1 Per Vehicle

1953

 

1952

 

1951

 

1950

 

1953

 

1952

 

1951

 

1950

 
Chevrolet Bel Air

3.9L L6 Gas
1
 
Upper
 
Gold-Flexible
 

Chevrolet Bel Air



3.9L L6 Gas

Upper Gold-Flexible

1 Per Vehicle

1952

 

1951

 

1950

 

1952

 

1951

 

1950

 
Chevrolet Bel Air

3.5L L6 Gas OHV
1
 
Upper
 
Gold-Flexible
 

Chevrolet Bel Air



3.5L L6 Gas OHV

Upper Gold-Flexible

1 Per Vehicle

1949

 

1948

 

1947

 

1946

 

1949

 

1948

 

1947

 

1946

 
Chevrolet Fleetline

3.5L L6 Gas OHV
1
 
Upper
 
Gold-Flexible
 

Chevrolet Fleetline



3.5L L6 Gas OHV

Upper Gold-Flexible

1 Per Vehicle

1942

 

1941

 

1942

 

1941

 
Chevrolet Fleetline

3.5L L6 Gas OHV
1
 
Upper
 
Gold-Flexible
 

Chevrolet Fleetline



3.5L L6 Gas OHV

Upper Gold-Flexible

1 Per Vehicle

1948

 

1947

 

1946

 

1948

 

1947

 

1946

 
Chevrolet Fleetmaster

3.5L L6 Gas OHV
1
 
Upper
 
Gold-Flexible
 

Chevrolet Fleetmaster



3.5L L6 Gas OHV

Upper Gold-Flexible

1 Per Vehicle

1942

 

1942

 
Chevrolet Fleetmaster

3.5L L6 Gas OHV
1
 
Upper
 
Gold-Flexible
 

Chevrolet Fleetmaster



3.5L L6 Gas OHV

Upper Gold-Flexible

1 Per Vehicle

1954

 

1953

 

1954

 

1953

 
Chevrolet One-Fifty Series

3.8L L6 Gas OHV
1
 
Upper
 
Gold-Flexible
 

Chevrolet One-Fifty Series



3.8L L6 Gas OHV

Upper Gold-Flexible

1 Per Vehicle

1953

 

1953

 
Chevrolet One-Fifty Series

3.9L L6 Gas
1
 
Upper
 
Gold-Flexible
 

Chevrolet One-Fifty Series



3.9L L6 Gas

Upper Gold-Flexible

1 Per Vehicle

1952

 

1951

 

1950

 

1952

 

1951

 

1950

 
Chevrolet Styleline Deluxe

3.5L L6 Gas OHV,
3.8L L6 Gas OHV,
3.9L L6 Gas
1
 
Upper
 
Gold-Flexible
 

Chevrolet Styleline Deluxe



3.5L L6 Gas OHV,
3.8L L6 Gas OHV,
3.9L L6 Gas

Upper Gold-Flexible

1 Per Vehicle

1952

 

1951

 

1950

 

1952

 

1951

 

1950

 
Chevrolet Styleline Special

3.5L L6 Gas OHV
1
 
Upper
 
Gold-Flexible
 

Chevrolet Styleline Special



3.5L L6 Gas OHV

Upper Gold-Flexible

1 Per Vehicle

1948

 

1947

 

1946

 

1948

 

1947

 

1946

 
Chevrolet Stylemaster Series

3.5L L6 Gas OHV
1
 
Upper
 
Gold-Flexible
 

Chevrolet Stylemaster Series



3.5L L6 Gas OHV

Upper Gold-Flexible

1 Per Vehicle

1954

 

1953

 

1954

 

1953

 
Chevrolet Two-Ten Series

3.8L L6 Gas OHV
1
 
Upper
 
Gold-Flexible
 

Chevrolet Two-Ten Series



3.8L L6 Gas OHV

Upper Gold-Flexible

1 Per Vehicle

1953

 

1953

 
Chevrolet Two-Ten Series

3.9L L6 Gas
1
 
Upper
 
Gold-Flexible
 

Chevrolet Two-Ten Series



3.9L L6 Gas

Upper Gold-Flexible

1 Per Vehicle

1973

 

1972

 

1971

 

1973

 

1972

 

1971

 
Fiat 124

1.6L L4 Gas DOHC
1
 
Lower - Radiator To Thermostat
 
Gold-Flexible
 

Fiat 124



1.6L L4 Gas DOHC

Lower - Radiator To Thermostat Gold-Flexible

1 Per Vehicle

1971

 

1970

 

1971

 

1970

 
Fiat 124

1.4L L4 Gas DOHC,
1.4L L4 Gas OHV
1
 
Lower - Radiator To Thermostat
 
Gold-Flexible
2 Doors
 

Fiat 124



1.4L L4 Gas DOHC,
1.4L L4 Gas OHV

Lower - Radiator To Thermostat Gold-Flexible
2 Doors

1 Per Vehicle

1970

 

1970

 
Fiat 850

0.9L L4 Gas OHV
1
 
Upper
 
Gold-Flexible
Eng. No. 1250982 & Before
 

Fiat 850



0.9L L4 Gas OHV

Upper Gold-Flexible
Eng. No. 1250982 & Before

1 Per Vehicle

1970

 

1969

 

1968

 

1967

 

1970

 

1969

 

1968

 

1967

 
Fiat 850

0.8L L4 Gas OHV
1
 
Upper
 
Gold-Flexible
Eng. No. 1250982 & Before
 

Fiat 850



0.8L L4 Gas OHV

Upper Gold-Flexible
Eng. No. 1250982 & Before

1 Per Vehicle

1967

 

1967

 
Fiat 850

0.9L L4 Gas OHV
1
 
Upper
 
Gold-Flexible
Eng. No. 1250982 & Before
 

Fiat 850



0.9L L4 Gas OHV

Upper Gold-Flexible
Eng. No. 1250982 & Before

1 Per Vehicle

1964

 

1964

 
Hillman Minx

1.6L L4 Gas OHV
1
 
Upper
 
Gold-Flexible
 

Hillman Minx



1.6L L4 Gas OHV

Upper Gold-Flexible

1 Per Vehicle

1987

 

1986

 

1985

 

1987

 

1986

 

1985

 
Isuzu Impulse

2.0L L4 Gas SOHC Turbo
1
 
Lower - Engine To Pipe
 
Gold-Flexible
 

Isuzu Impulse



2.0L L4 Gas SOHC Turbo

Lower - Engine To Pipe Gold-Flexible

1 Per Vehicle

1971

 

1971

 
Mazda 1200

1.2L L4 Gas OHV
2
 
Upper
 
Gold-Flexible
 

Mazda 1200



1.2L L4 Gas OHV

Upper Gold-Flexible

2 Per Vehicle

1976

 

1975

 

1976

 

1975

 
Mercedes-Benz 280

2.8L L6 Gas DOHC
1
 
Lower - Pipe To Radiator
 
Gold-Flexible
 

Mercedes-Benz 280



2.8L L6 Gas DOHC

Lower - Pipe To Radiator Gold-Flexible

1 Per Vehicle

1974

 

1974

 
Mercedes-Benz 280

2.8L L6 Gas
1
 
Lower - Pipe To Radiator
 
Gold-Flexible
 

Mercedes-Benz 280



2.8L L6 Gas

Lower - Pipe To Radiator Gold-Flexible

1 Per Vehicle

1976

 

1975

 

1976

 

1975

 
Mercedes-Benz 280C

2.8L L6 Gas DOHC
1
 
Lower - Pipe To Radiator
 
Gold-Flexible
 

Mercedes-Benz 280C



2.8L L6 Gas DOHC

Lower - Pipe To Radiator Gold-Flexible

1 Per Vehicle

1974

 

1974

 
Mercedes-Benz 280C

2.8L L6 Gas
1
 
Lower - Pipe To Radiator
 
Gold-Flexible
 

Mercedes-Benz 280C



2.8L L6 Gas

Lower - Pipe To Radiator Gold-Flexible

1 Per Vehicle

1973

 

1972

 

1973

 

1972

 
Mercury Capri

2.6L V6 Gas OHV
1
 
Lower
 
Gold-Flexible
 

Mercury Capri



2.6L V6 Gas OHV

Lower Gold-Flexible

1 Per Vehicle

1974

 

1973

 

1972

 

1971

 

1970

 

1969

 

1968

 

1974

 

1973

 

1972

 

1971

 

1970

 

1969

 

1968

 
MG MGB

1.8L L4 Gas OHV
1
 
Lower - Pipe To Radiator
 
Gold-Flexible
W/Heater
 

MG MGB



1.8L L4 Gas OHV

Lower - Pipe To Radiator Gold-Flexible
W/Heater

1 Per Vehicle

1974

 

1973

 

1972

 

1971

 

1970

 

1969

 

1968

 

1974

 

1973

 

1972

 

1971

 

1970

 

1969

 

1968

 
MG MGB

1.8L L4 Gas OHV
1
 
Upper
 
Gold-Flexible
 

MG MGB



1.8L L4 Gas OHV

Upper Gold-Flexible

1 Per Vehicle

1973

 

1972

 

1971

 

1970

 

1969

 

1973

 

1972

 

1971

 

1970

 

1969

 
Nissan 510

1.6L L4 Gas SOHC
1
 
Upper
 
Gold-Flexible
 

Nissan 510



1.6L L4 Gas SOHC

Upper Gold-Flexible

1 Per Vehicle

1972

 

1971

 

1970

 

1972

 

1971

 

1970

 
Nissan 521 Pickup

1.6L L4 Gas SOHC
1
 
Upper
 
Gold-Flexible
 

Nissan 521 Pickup



1.6L L4 Gas SOHC

Upper Gold-Flexible

1 Per Vehicle

1969

 

1969

 
Nissan 521 Pickup

1.3L L4 Gas OHV
1
 
Upper
 
Gold-Flexible
 

Nissan 521 Pickup



1.3L L4 Gas OHV

Upper Gold-Flexible

1 Per Vehicle

1972

 

1972

 
Nissan 620 Pickup

1.6L L4 Gas SOHC
1
 
Upper
 
Gold-Flexible
 

Nissan 620 Pickup



1.6L L4 Gas SOHC

Upper Gold-Flexible

1 Per Vehicle

1971

 

1971

 
Saab 95

1.7L V4 Gas,
1.7L V4 Gas OHV
1
 
Lower
 
Gold-Flexible
 

Saab 95



1.7L V4 Gas,
1.7L V4 Gas OHV

Lower Gold-Flexible

1 Per Vehicle

1970

 

1969

 

1970

 

1969

 
Saab 95

1.5L V4 Gas OHV
1
 
Lower
 
Gold-Flexible
 

Saab 95



1.5L V4 Gas OHV

Lower Gold-Flexible

1 Per Vehicle

1968

 

1968

 
Saab 95

1.5L V4 Gas OHV
1
 
Upper
 
Gold-Flexible
 

Saab 95



1.5L V4 Gas OHV

Upper Gold-Flexible

1 Per Vehicle

1968

 

1967

 

1966

 

1965

 

1968

 

1967

 

1966

 

1965

 
Saab 95

0.8L L3 Gas OHV
2
 
Lower
 
Gold-Flexible
 

Saab 95



0.8L L3 Gas OHV

Lower Gold-Flexible

2 Per Vehicle

1964

 

1963

 

1962

 

1961

 

1964

 

1963

 

1962

 

1961

 
Saab 95

0.8L L3 Gas OHV
1
 
Upper
 
Gold-Flexible
Ser. No. 148001 & After
 

Saab 95



0.8L L3 Gas OHV

Upper Gold-Flexible
Ser. No. 148001 & After

1 Per Vehicle

1971

 

1971

 
Saab 96

1.7L V4 Gas,
1.7L V4 Gas OHV
1
 
Lower
 
Gold-Flexible
 

Saab 96



1.7L V4 Gas,
1.7L V4 Gas OHV

Lower Gold-Flexible

1 Per Vehicle

1970

 

1969

 

1970

 

1969

 
Saab 96

1.5L V4 Gas OHV
1
 
Lower
 
Gold-Flexible
 

Saab 96



1.5L V4 Gas OHV

Lower Gold-Flexible

1 Per Vehicle

1968

 

1968

 
Saab 96

1.5L V4 Gas OHV
1
 
Upper
 
Gold-Flexible
 

Saab 96



1.5L V4 Gas OHV

Upper Gold-Flexible

1 Per Vehicle

1968

 

1967

 

1966

 

1965

 

1968

 

1967

 

1966

 

1965

 
Saab 96

0.8L L3 Gas OHV
2
 
Lower
 
Gold-Flexible
 

Saab 96



0.8L L3 Gas OHV

Lower Gold-Flexible

2 Per Vehicle

1964

 

1963

 

1962

 

1961

 

1964

 

1963

 

1962

 

1961

 
Saab 96

0.8L L3 Gas OHV
1
 
Upper
 
Gold-Flexible
Ser. No. 148001 & After
 

Saab 96



0.8L L3 Gas OHV

Upper Gold-Flexible
Ser. No. 148001 & After

1 Per Vehicle

1965

 

1965

 
Saab 96 Sport

0.8L L3 Gas OHV
2
 
Lower
 
Gold-Flexible
 

Saab 96 Sport



0.8L L3 Gas OHV

Lower Gold-Flexible

2 Per Vehicle

1964

 

1963

 

1962

 

1961

 

1964

 

1963

 

1962

 

1961

 
Saab 96 Sport

0.8L L3 Gas OHV
1
 
Upper
 
Gold-Flexible
Ser. No. 148001 & After
 

Saab 96 Sport



0.8L L3 Gas OHV

Upper Gold-Flexible
Ser. No. 148001 & After

1 Per Vehicle

1963

 

1963

 
Saab GT850

0.8L L3 Gas OHV
1
 
Upper
 
Gold-Flexible
Ser. No. 148001 & After
 

Saab GT850



0.8L L3 Gas OHV

Upper Gold-Flexible
Ser. No. 148001 & After

1 Per Vehicle

1964

 

1964

 
Saab Monte Carlo

0.8L L3 Gas OHV
1
 
Upper
 
Gold-Flexible
Ser. No. 148001 & After
 

Saab Monte Carlo



0.8L L3 Gas OHV

Upper Gold-Flexible
Ser. No. 148001 & After

1 Per Vehicle

1963

 

1962

 

1963

 

1962

 
Toyopet Crown

1.9L L4 Gas OHV
1
 
Upper
 
Gold-Flexible
 

Toyopet Crown



1.9L L4 Gas OHV

Upper Gold-Flexible

1 Per Vehicle

1961

 

1961

 
Toyopet Crown

1.9L L4 Gas
1
 
Upper
 
Gold-Flexible
 

Toyopet Crown



1.9L L4 Gas

Upper Gold-Flexible

1 Per Vehicle

1970

 

1970

 
Toyota Corona

1.9L L4 Gas,
1.9L L4 Gas OHV
1
 
Upper
 
Gold-Flexible
Jan. 31 & Older
 

Toyota Corona



1.9L L4 Gas,
1.9L L4 Gas OHV

Upper Gold-Flexible
Jan. 31 & Older

1 Per Vehicle

1969

 

1968

 

1967

 

1969

 

1968

 

1967

 
Toyota Corona

1.9L L4 Gas,
1.9L L4 Gas OHV
1
 
Upper
 
Gold-Flexible
 

Toyota Corona



1.9L L4 Gas,
1.9L L4 Gas OHV

Upper Gold-Flexible

1 Per Vehicle

1966

 

1965

 

1966

 

1965

 
Toyota Crown

1.9L L4 Gas OHV
1
 
Lower
 
Gold-Flexible
Early
 

Toyota Crown



1.9L L4 Gas OHV

Lower Gold-Flexible
Early

1 Per Vehicle

1966

 

1965

 

1966

 

1965

 
Toyota Crown

1.9L L4 Gas OHV
1
 
Upper
 
Gold-Flexible
Early
 

Toyota Crown



1.9L L4 Gas OHV

Upper Gold-Flexible
Early

1 Per Vehicle

1964

 

1963

 

1962

 

1961

 

1964

 

1963

 

1962

 

1961

 
Toyota Crown

1.9L L4 Gas OHV
1
 
Upper
 
Gold-Flexible
 

Toyota Crown



1.9L L4 Gas OHV

Upper Gold-Flexible

1 Per Vehicle

1964

 

1964

 
Toyota Tiara

1.5L L4 Gas OHV
1
 
Upper
 
Gold-Flexible
 

Toyota Tiara



1.5L L4 Gas OHV

Upper Gold-Flexible

1 Per Vehicle

1969

 

1969

 
Triumph Spitfire

1.3L L4 Gas OHV
1
 
Lower - Engine To Pipe
 
Gold-Flexible
 

Triumph Spitfire



1.3L L4 Gas OHV

Lower - Engine To Pipe Gold-Flexible

1 Per Vehicle

1968

 

1968

 
Triumph TR250

2.5L L6 Gas OHV
1
 
Lower - Engine To Pipe
 
Gold-Flexible
 

Triumph TR250



2.5L L6 Gas OHV

Lower - Engine To Pipe Gold-Flexible

1 Per Vehicle

1961

 

1961

 
Triumph TR3A

2.0L L4 Gas OHV
1
 
Lower - Engine To Pipe
 
Gold-Flexible
 

Triumph TR3A



2.0L L4 Gas OHV

Lower - Engine To Pipe Gold-Flexible

1 Per Vehicle

1961

 

1961

 
Triumph TR3A

2.0L L4 Gas OHV
1
 
Lower - Pipe To Radiator
 
Gold-Flexible
 

Triumph TR3A



2.0L L4 Gas OHV

Lower - Pipe To Radiator Gold-Flexible

1 Per Vehicle

1962

 

1962

 
Triumph TR3B

2.0L L4 Gas OHV,
2.1L L4 Gas,
2.1L L4 Gas OHV
1
 
Lower - Engine To Pipe
 
Gold-Flexible
 

Triumph TR3B



2.0L L4 Gas OHV,
2.1L L4 Gas,
2.1L L4 Gas OHV

Lower - Engine To Pipe Gold-Flexible

1 Per Vehicle

1962

 

1962

 
Triumph TR3B

2.0L L4 Gas OHV,
2.1L L4 Gas,
2.1L L4 Gas OHV
1
 
Lower - Pipe To Radiator
 
Gold-Flexible
 

Triumph TR3B



2.0L L4 Gas OHV,
2.1L L4 Gas,
2.1L L4 Gas OHV

Lower - Pipe To Radiator Gold-Flexible

1 Per Vehicle

1964

 

1963

 

1962

 

1964

 

1963

 

1962

 
Triumph TR4

2.1L L4 Gas,
2.1L L4 Gas OHV
1
 
Lower - Engine To Pipe
 
Gold-Flexible
 

Triumph TR4



2.1L L4 Gas,
2.1L L4 Gas OHV

Lower - Engine To Pipe Gold-Flexible

1 Per Vehicle

1964

 

1963

 

1962

 

1964

 

1963

 

1962

 
Triumph TR4

2.1L L4 Gas,
2.1L L4 Gas OHV
1
 
Lower - Pipe To Radiator
 
Gold-Flexible
 

Triumph TR4



2.1L L4 Gas,
2.1L L4 Gas OHV

Lower - Pipe To Radiator Gold-Flexible

1 Per Vehicle

1962

 

1962

 
Triumph TR4

2.0L L4 Gas OHV
1
 
Lower - Engine To Pipe
 
Gold-Flexible
 

Triumph TR4



2.0L L4 Gas OHV

Lower - Engine To Pipe Gold-Flexible

1 Per Vehicle

1962

 

1962

 
Triumph TR4

2.0L L4 Gas OHV
1
 
Lower - Pipe To Radiator
 
Gold-Flexible
 

Triumph TR4



2.0L L4 Gas OHV

Lower - Pipe To Radiator Gold-Flexible

1 Per Vehicle

1967

 

1966

 

1965

 

1967

 

1966

 

1965

 
Triumph TR4A

2.1L L4 Gas,
2.1L L4 Gas OHV
1
 
Lower - Engine To Pipe
 
Gold-Flexible
 

Triumph TR4A



2.1L L4 Gas,
2.1L L4 Gas OHV

Lower - Engine To Pipe Gold-Flexible

1 Per Vehicle

1967

 

1966

 

1965

 

1967

 

1966

 

1965

 
Triumph TR4A

2.1L L4 Gas,
2.1L L4 Gas OHV
1
 
Lower - Pipe To Radiator
 
Gold-Flexible
 

Triumph TR4A



2.1L L4 Gas,
2.1L L4 Gas OHV

Lower - Pipe To Radiator Gold-Flexible

1 Per Vehicle

1971

 

1971

 
Triumph TR6

2.5L L6 Gas OHV
1
 
Lower
 
Gold-Flexible
 

Triumph TR6



2.5L L6 Gas OHV

Lower Gold-Flexible

1 Per Vehicle

1968

 

1967

 

1966

 

1965

 

1964

 

1963

 

1962

 

1968

 

1967

 

1966

 

1965

 

1964

 

1963

 

1962

 
Volvo 1800

1.8L L4 Gas OHV
1
 
Upper
 
Gold-Flexible
 

Volvo 1800



1.8L L4 Gas OHV

Upper Gold-Flexible

1 Per Vehicle


Customers who bought ACDelco 31608 Radiator Coolant Hose also purchased

ACDelco 31610 Radiator Coolant Hose
ACDelco 31610 Radiator Coolant Hose
Gates 20779 Radiator Coolant Hose
Gates 20779 Radiator Coolant Hose