Gates
Flexible Coolant Hose (Standard)

Gates 25526 Radiator Coolant Hose - Lower or Upper

Brand Gates 25526
Position Lower
No
Centerline Length 13.2
Centerline Length 335
End 1 Inside Diameter 1.5
End 1 Inside Diameter 38
End 2 Inside Diameter 1.75
End 2 Inside Diameter 44
Material EPDM, Steel
Molded No
Product line Flexible Coolant Hose (Standard)
Fits Jeep, American Motors, Chevrolet, Pontiac, Oldsmobile, VAM, and Mazda · 71 vehicles

Flexible coolant hose. Bends in almost any direction for easier routing.

Improved sealing surface. Helps deliver greater leak resistance.

OE-style replacement. Replicates complex hose angles for quick, cost-effective service.

Cross-references AMS Automotive 6137, Bosch 67928 and Continental 52414 for the same application. See all 38.

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Flexible coolant hose for OE-style replacement

The Gates Vulco-Flex II radiator coolant hose is built for lower and upper cooling-system routing where a formed hose is difficult to source. With a flexible EPDM and steel construction, it bends in almost any direction and helps replicate the angles and planes of many OE coolant hose layouts for a direct replacement approach.

Compatible With 1965-1970 Jeep Wagoneer upper and 1965-1968 Jeep Wagoneer lower applications, plus select Chevrolet Chevette, Pontiac Acadian, Pontiac T1000, Chevrolet Monza, Oldsmobile Starfire, Pontiac Sunbird, and 1995 Jeep Wrangler lower hose applications. Part number 25526 is also listed across multiple aftermarket cross-references for the same application.

Key features

  • Flexible radiator coolant hose for lower and upper cooling-system routing
  • EPDM and steel construction for durability in engine-bay heat and coolant exposure
  • Improved sealing surface for stronger leak resistance at the connection points
  • Unmolded design that can replace many expensive OE hose shapes
  • End sizes: 1.5 in. (38 mm) and 1.75 in. (44 mm)
  • Centerline length: 13.2 in. (335 mm)

Product details

Gates Flexible Coolant Hose (Standard), part number 25526, is designed for radiator coolant hose replacement where a conventional molded hose may not match the required routing. The flexible construction helps it follow tight bends and offset angles while maintaining a secure sealing surface at the hose ends. This makes it a practical choice for restoring cooling-system integrity on older vehicles and mixed-fitment applications, including Jeep Wagoneer and Jeep Wrangler lower hose service as well as select Chevrolet and Pontiac compact-car applications.

What it helps solve

  • Coolant leaks caused by aged, cracked, or hardened hoses
  • Fitment issues when an OE molded hose is no longer available
  • Routing problems in lower radiator hose replacement jobs
  • Cooling-system service on vehicles with unusual hose angles or planes
  • Replacement of deteriorated hoses on Jeep Wagoneer, Jeep Wrangler, Chevrolet Chevette, and Pontiac Acadian applications

Installation notes and tips

Verify end diameters, centerline length, and routing before installation. This hose is not molded, so confirm that the flexible shape matches the vehicle’s hose path and clearance around belts, pulleys, and nearby components. Clean the hose necks before installation and inspect clamps, thermostat housing, radiator outlets, and adjoining pipes for wear or corrosion. Part number 25526 is listed for lower and upper positions depending on application, so match the vehicle-specific fitment notes carefully.

Quality assurance

Gates Vulco-Flex II hoses are engineered for replacement use in cooling systems with an emphasis on sealing performance and durable construction. Gates part number 25526 cross-references with select aftermarket numbers such as Dayco 81231 and Continental 52414 for the same application.

This part fits 71 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionLitersCylindersFuel TypePositionNotes
1995JeepWrangler—4.0LL6GASLowerFlexible Coolant Hose (Standard)
1987ChevroletChevette—1.6LL4GASLowerFlexible Coolant Hose (Standard)
1987PontiacAcadian—1.6LL4GASLowerFlexible Coolant Hose (Standard)
1987PontiacT1000—1.6LL4GASLowerFlexible Coolant Hose (Standard)
1986ChevroletChevette—1.6LL4GASLowerFlexible Coolant Hose (Standard)
1986PontiacAcadian—1.6LL4GASLowerFlexible Coolant Hose (Standard)
1986PontiacT1000—1.6LL4GASLowerFlexible Coolant Hose (Standard)
1985ChevroletChevette—1.6LL4GASLowerFlexible Coolant Hose (Standard)
1985PontiacAcadian—1.6LL4GASLowerFlexible Coolant Hose (Standard)
1985PontiacT1000—1.6LL4GASLowerFlexible Coolant Hose (Standard)
1984ChevroletChevette—1.6LL4GASLowerFlexible Coolant Hose (Standard)
1984PontiacAcadian—1.6LL4GASLowerFlexible Coolant Hose (Standard)
1984PontiacT1000—1.6LL4GASLowerFlexible Coolant Hose (Standard)
1983ChevroletChevette—1.6LL4GASLowerFlexible Coolant Hose (Standard)
1983PontiacAcadian—1.6LL4GASLowerFlexible Coolant Hose (Standard)
1983PontiacT1000—1.6LL4GASLowerFlexible Coolant Hose (Standard)
1982ChevroletChevette—1.6LL4GASLowerFlexible Coolant Hose (Standard)
1982PontiacAcadian—1.6LL4GASLowerHVAC heater hose with A/C, fits Serpentine Belt application.; Flexible Coolant Hose (Standard)
1982PontiacAcadian—1.6LL4GASLowerW/X.C. - Radiator Coolant Hose.; Flexible Coolant Hose (Standard)
1982PontiacAcadian—1.6LL4GASLowerWithout air conditioning; with standard cooling.; Flexible Coolant Hose (Standard)
1982PontiacT1000—1.6LL4GASLowerHVAC heater hose with A/C, fits Serpentine Belt application.; Flexible Coolant Hose (Standard)
1982PontiacT1000—1.6LL4GASLowerW/X.C. - Radiator Coolant Hose.; Flexible Coolant Hose (Standard)
1982PontiacT1000—1.6LL4GASLowerWithout air conditioning; with standard cooling.; Flexible Coolant Hose (Standard)
1981ChevroletChevette—1.6LL4GASLowerFlexible Coolant Hose (Standard)
1981PontiacAcadian—1.6LL4GASLowerFlexible Coolant Hose (Standard)
1981PontiacT1000—1.6LL4GASLowerFlexible Coolant Hose (Standard)
1980ChevroletChevette—1.6LL4GASLowerFlexible Coolant Hose (Standard)
1980PontiacAcadian—1.6LL4GASLowerFlexible Coolant Hose (Standard)
1979ChevroletChevette—1.6LL4GASLowerFlexible Coolant Hose (Standard)
1979ChevroletMonza—5.0LV8GASLowerFlexible Coolant Hose (Standard)
1979OldsmobileStarfire—5.0LV8GASLowerFlexible Coolant Hose (Standard)
1979PontiacAcadian—1.6LL4GASLowerFlexible Coolant Hose (Standard)
1979PontiacSunbird—5.0LV8GASLowerFlexible Coolant Hose (Standard)
1978ChevroletChevette—1.6LL4GASLowerFlexible Coolant Hose (Standard)
1978ChevroletMonza—5.0LV8GASLowerFlexible Coolant Hose (Standard)
1978OldsmobileStarfire—5.0LV8GASLowerFlexible Coolant Hose (Standard)
1978PontiacAcadian—1.6LL4GASLowerFlexible Coolant Hose (Standard)
1978PontiacSunbird—5.0LV8GASLowerFlexible Coolant Hose (Standard)
1977ChevroletChevette—1.4LL4GASLowerHVAC heater hose with A/C, fits Serpentine Belt application.; Flexible Coolant Hose (Standard)
1977ChevroletChevette—1.4LL4GASLowerW/X.C. - Radiator Coolant Hose.; Flexible Coolant Hose (Standard)
1977ChevroletChevetteAutomatic1.4LL4GASLowerWithout air conditioning; with standard cooling.; Flexible Coolant Hose (Standard)
1977ChevroletChevetteManual1.4LL4GASLowerWithout air conditioning; with standard cooling.; Flexible Coolant Hose (Standard)
1977ChevroletChevette—1.6LL4GASLowerHVAC heater hose with A/C, fits Serpentine Belt application.; Flexible Coolant Hose (Standard)
1977ChevroletChevette—1.6LL4GASLowerW/X.C. - Radiator Coolant Hose.; Flexible Coolant Hose (Standard)
1977ChevroletChevette—1.6LL4GASLowerWithout air conditioning; with standard cooling.; Flexible Coolant Hose (Standard)
1977ChevroletMonza—5.0LV8GASLowerFlexible Coolant Hose (Standard)
1977OldsmobileStarfire—5.0LV8GASLowerFlexible Coolant Hose (Standard)
1977PontiacAcadian—1.4LL4GASLowerHVAC heater hose with A/C, fits Serpentine Belt application.; Flexible Coolant Hose (Standard)
1977PontiacAcadian—1.4LL4GASLowerW/X.C. - Radiator Coolant Hose.; Flexible Coolant Hose (Standard)
1977PontiacAcadianAutomatic1.4LL4GASLowerWithout air conditioning; with standard cooling.; Flexible Coolant Hose (Standard)
1977PontiacAcadianManual1.4LL4GASLowerWithout air conditioning; with standard cooling.; Flexible Coolant Hose (Standard)
1977PontiacAcadian—1.6LL4GASLowerHVAC heater hose with A/C, fits Serpentine Belt application.; Flexible Coolant Hose (Standard)
1977PontiacAcadian—1.6LL4GASLowerW/X.C. - Radiator Coolant Hose.; Flexible Coolant Hose (Standard)
1977PontiacAcadian—1.6LL4GASLowerWithout air conditioning; with standard cooling.; Flexible Coolant Hose (Standard)
1976ChevroletChevette—1.4LL4GASLowerWithout air conditioning; with standard cooling.; Flexible Coolant Hose (Standard)
1976ChevroletChevette—1.6LL4GASLowerFlexible Coolant Hose (Standard)
1976ChevroletMonza—4.3LV8GASLowerFlexible Coolant Hose (Standard)
1976ChevroletMonza—5.0LV8GASLowerFlexible Coolant Hose (Standard)
1976PontiacAcadian—1.4LL4GASLowerWithout air conditioning; with standard cooling.; Flexible Coolant Hose (Standard)
1976PontiacAcadian—1.6LL4GASLowerFlexible Coolant Hose (Standard)
1975ChevroletMonza—4.3LV8GASLowerFlexible Coolant Hose (Standard)
1970JeepWagoneer—3.8LL6GASUpperFlexible Coolant Hose (Standard)
1969JeepWagoneer—3.8LL6GASUpperFlexible Coolant Hose (Standard)
1968JeepWagoneer—3.8LL6GASUpperFlexible Coolant Hose (Standard)
1968JeepWagoneer—5.3LV8GASLowerFlexible Coolant Hose (Standard)
1967JeepWagoneer—3.8LL6GASUpperFlexible Coolant Hose (Standard)
1967JeepWagoneer—5.3LV8GASLowerFlexible Coolant Hose (Standard)
1966JeepWagoneer—3.8LL6GASUpperFlexible Coolant Hose (Standard)
1966JeepWagoneer—5.3LV8GASLowerFlexible Coolant Hose (Standard)
1965JeepWagoneer—3.8LL6GASUpperFlexible Coolant Hose (Standard)
1965JeepWagoneer—5.3LV8GASLowerFlexible Coolant Hose (Standard)
Directly replaces or cross-references 38 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — 6137Bosch — 67928Continental — 52414Dayco — 81231Febi-Bilstein — 31644FEL-PRO — 1213Four Seasons — 168333Gates — 23260Gates — 25526Hayden — 1015Karlyn — 611Marmon Ride Control — A6137Standard Ignition — FH369M13137536613-71213-131213S76132485885129509091989403971778187345524717026608168015521B5P 8286 AB633985C4BH-612C9PZ 8260 YC6421FF203FM81KBC-132M30RH10