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Engine Coolant Bypass Hose

Engine Coolant Bypass Hose - Heater To Valve (Dayco) for 1984-2002 Buick, Oldsmobile, Pontiac, & Toyota NEW

$ 15 .50
120-DayReturns
LifetimeWarranty
100%Money-Back

Product Notes Read before buying

Position: Heater To Valve
Curved Radiator Hose

Brand: Dayco
Condition: New
See All Other Engine Coolant Bypass Hoses
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Specifications & Info


Attribute Value
.63
Centerline Length 5.25
Color Black
Contains Heat Shield N
Contains Protective Sleeve N
End 1 Inside Diameter .63, 5/8
End 2 Inside Diameter 5/8
Hose Type Single I.d. Hose
Material Epdm
SAE Specification Sae J20r4 Class D-1, Sae J1684 Type Ec
Trunk Height 5 1/4

Vehicle Fitment Guide

This part fits the following vehicles:

Buick 4 models (tapclick to expand)(tapclick to hide)
Century 1984-1988 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Coupe 1984 - 1985, 1987 - 1988 V6 2.8L FWD Automatic
Base Sedan 1984 - 1988 V6 2.8L FWD Automatic
Custom Coupe 1984 - 1988 L4 2.5L FWD Automatic & Manual
Custom Coupe 1984 - 1988 V6 2.8L FWD Automatic & Manual
Custom Coupe 1984 - 1985 V6 3.0L FWD Automatic & Manual
Custom Coupe 1984 - 1988 V6 3.8L FWD Automatic & Manual
Custom Coupe 1984 - 1985 V6 4.3L DIESEL FWD Automatic & Manual
Custom Sedan 1984 - 1988 L4 2.5L FWD Automatic & Manual
Custom Sedan 1984 - 1988 V6 2.8L FWD Automatic & Manual
Custom Sedan 1984 - 1985 V6 3.0L FWD Automatic & Manual
Custom Sedan 1984 - 1988 V6 3.8L FWD Automatic & Manual
Custom Sedan 1984 - 1985 V6 4.3L DIESEL FWD Automatic & Manual
Custom Wagon 1984 - 1988 L4 2.5L FWD Automatic & Manual
Custom Wagon 1984 - 1988 V6 2.8L FWD Automatic & Manual
Custom Wagon 1984 - 1985 V6 3.0L FWD Automatic & Manual
Custom Wagon 1984 - 1988 V6 3.8L FWD Automatic & Manual
Custom Wagon 1984 - 1985 V6 4.3L DIESEL FWD Automatic & Manual
Estate Wagon 1984 L4 2.5L FWD Automatic & Manual
Estate Wagon 1984 V6 3.0L FWD Automatic & Manual
Estate Wagon 1984 V6 3.8L FWD Automatic & Manual
Estate Wagon 1984 V6 4.3L DIESEL FWD Automatic & Manual
Estate Wagon Wagon 1985 - 1988 L4 2.5L FWD Automatic & Manual
Estate Wagon Wagon 1985 - 1988 V6 2.8L FWD Automatic & Manual
Estate Wagon Wagon 1985 V6 3.0L FWD Automatic & Manual
Estate Wagon Wagon 1985 - 1988 V6 3.8L FWD Automatic & Manual
Estate Wagon Wagon 1985 V6 4.3L DIESEL FWD Automatic & Manual
Limited Coupe 1984 - 1988 L4 2.5L FWD Automatic & Manual
Limited Coupe 1984 - 1988 V6 2.8L FWD Automatic & Manual
Limited Coupe 1984 - 1985 V6 3.0L FWD Automatic & Manual
Limited Coupe 1984 - 1988 V6 3.8L FWD Automatic & Manual
Limited Coupe 1984 - 1985 V6 4.3L DIESEL FWD Automatic & Manual
Limited Sedan 1984 - 1988 L4 2.5L FWD Automatic & Manual
Limited Sedan 1984 - 1988 V6 2.8L FWD Automatic & Manual
Limited Sedan 1984 - 1985 V6 3.0L FWD Automatic & Manual
Limited Sedan 1984 - 1988 V6 3.8L FWD Automatic & Manual
Limited Sedan 1984 - 1985 V6 4.3L DIESEL FWD Automatic & Manual
Olympia Limited Sedan 1984 L4 2.5L FWD Automatic & Manual
Olympia Limited Sedan 1984 V6 3.0L FWD Automatic & Manual
Olympia Limited Sedan 1984 V6 3.8L FWD Automatic & Manual
Olympia Limited Sedan 1984 V6 4.3L DIESEL FWD Automatic & Manual
SS Coupe 1986 V6 2.8L FWD Automatic
T-Type Coupe 1984 V6 3.0L FWD Automatic & Manual
T-Type Coupe 1984 - 1986 V6 3.8L FWD Automatic & Manual
T-Type Sedan 1984 V6 3.0L FWD Automatic & Manual
T-Type Sedan 1984 - 1986 V6 3.8L FWD Automatic & Manual
Electra 1985-1987 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Estate Wagon Wagon 1985 - 1987 V8 5.0L RWD Automatic
Estate Wagon Wagon 1985 V8 5.7L DIESEL RWD Automatic
Limited Coupe 1985 V6 3.0L FWD Automatic
Limited Coupe 1985 - 1987 V6 3.8L FWD Automatic
Limited Coupe 1985 V6 4.3L DIESEL FWD Automatic
Limited Sedan 1985 V6 3.0L FWD Automatic
Limited Sedan 1985 - 1987 V6 3.8L FWD Automatic
Limited Sedan 1985 V6 4.3L DIESEL FWD Automatic
Park Avenue Coupe 1985 - 1987 V6 3.8L FWD Automatic
Park Avenue Coupe 1985 V6 4.3L DIESEL FWD Automatic
Park Avenue Sedan 1985 - 1987 V6 3.8L FWD Automatic
Park Avenue Sedan 1985 V6 4.3L DIESEL FWD Automatic
T-Type Coupe 1985 - 1986 V6 3.8L FWD Automatic
T-Type Sedan 1985 - 1987 V6 3.8L FWD Automatic
LeSabre 1986-1988 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Coupe 1987 - 1988 V6 3.8L FWD Automatic
Base Sedan 1987 V6 3.8L FWD Automatic
Base Wagon 1988 V6 3.8L FWD Automatic
Custom Coupe 1986 V6 3.0L FWD Automatic
Custom Coupe 1986 - 1988 V6 3.8L FWD Automatic
Custom Sedan 1986 V6 3.0L FWD Automatic
Custom Sedan 1986 - 1988 V6 3.8L FWD Automatic
Estate Wagon Wagon 1986 - 1988 V8 5.0L RWD Automatic
Limited Coupe 1986 V6 3.0L FWD Automatic
Limited Coupe 1986 - 1988 V6 3.8L FWD Automatic
Limited Sedan 1986 V6 3.0L FWD Automatic
Limited Sedan 1986 - 1988 V6 3.8L FWD Automatic
T-Type Coupe 1987 V6 3.8L FWD Automatic
Riviera 1986-1987 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Luxury Coupe 1986 - 1987 V6 3.8L FWD Automatic
T-Type Coupe 1986 - 1987 V6 3.8L FWD Automatic
Oldsmobile 5 models (tapclick to expand)(tapclick to hide)
98 1985-1987 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Regency Sedan 1985 V6 3.0L FWD Automatic
Regency Sedan 1985 V6 3.0L FWD Automatic
Regency Sedan 1985 - 1987 V6 3.8L FWD Automatic
Regency Sedan 1985 - 1986 V6 3.8L FWD Automatic
Regency Sedan 1985 V6 4.3L DIESEL FWD Automatic
Regency Sedan 1985 V6 4.3L DIESEL FWD Automatic
Regency Brougham Sedan 1985 - 1987 V6 3.8L FWD Automatic
Regency Brougham Sedan 1985 - 1987 V6 3.8L FWD Automatic
Regency Brougham Sedan 1985 V6 4.3L DIESEL FWD Automatic
Regency Brougham Sedan 1985 V6 4.3L DIESEL FWD Automatic
Regency Grande Sedan 1987 V6 3.8L FWD Automatic
Regency Touring Sedan 1987 V6 3.8L FWD Automatic
Cutlass Ciera 1985-1988 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Coupe 1988 L4 2.5L FWD Automatic
Base Coupe 1988 V6 2.8L FWD Automatic
Base Coupe 1988 V6 3.8L FWD Automatic
Brougham Coupe 1985 - 1986 L4 2.5L FWD Automatic
Brougham Coupe 1985 - 1986 V6 2.8L FWD Automatic
Brougham Coupe 1985 V6 3.0L FWD Automatic
Brougham Coupe 1985 V6 3.8L FWD Automatic
Brougham Coupe 1985 V6 4.3L DIESEL FWD Automatic
Brougham Sedan 1985 - 1988 L4 2.5L FWD Automatic
Brougham Sedan 1985 - 1988 V6 2.8L FWD Automatic
Brougham Sedan 1985 V6 3.0L FWD Automatic
Brougham Sedan 1985, 1987 - 1988 V6 3.8L FWD Automatic
Brougham Sedan 1985 V6 4.3L DIESEL FWD Automatic
Cruiser Wagon 1985 V6 2.8L FWD U/K
Cruiser LS Wagon 1985 L4 2.5L FWD Automatic
Cruiser LS Wagon 1985 V6 3.0L FWD Automatic
Cruiser LS Wagon 1985 V6 3.8L FWD Automatic
Cruiser LS Wagon 1985 V6 4.3L DIESEL FWD Automatic
ES Coupe 1985 L4 2.5L FWD Automatic
ES Coupe 1985 V6 3.0L FWD Automatic
ES Coupe 1985 V6 3.8L FWD Automatic
ES Sedan 1986 L4 2.5L FWD Automatic
ES Sedan 1986 V6 2.8L FWD Automatic
ES Sedan 1986 V6 3.8L FWD Automatic
GT Coupe 1986 - 1987 L4 2.5L FWD Automatic
GT Coupe 1986 - 1987 V6 2.8L FWD Automatic
GT Coupe 1985 - 1987 V6 3.8L FWD Automatic
Holiday Coupe 1986 V6 2.8L FWD Automatic
Holiday Coupe 1985 - 1986 L4 2.5L FWD Automatic
Holiday Coupe 1985 V6 3.0L FWD Automatic
Holiday Coupe 1985 - 1986 V6 3.8L FWD Automatic
International Sedan 1988 V6 3.8L FWD Automatic
LS Coupe 1985 - 1986 L4 2.5L FWD Automatic
LS Coupe 1985 - 1986 V6 2.8L FWD Automatic
LS Coupe 1985 V6 3.0L FWD Automatic
LS Coupe 1985 - 1986 V6 3.8L FWD Automatic
LS Coupe 1985 V6 4.3L DIESEL FWD Automatic
LS Sedan 1985 - 1988 L4 2.5L FWD Automatic
LS Sedan 1985 - 1988 V6 2.8L FWD Automatic
LS Sedan 1985 V6 3.0L FWD Automatic
LS Sedan 1985 - 1988 V6 3.8L FWD Automatic
LS Sedan 1985 V6 4.3L DIESEL FWD Automatic
LS Wagon 1986 L4 2.5L FWD Automatic
LS Wagon 1986 V6 2.8L FWD Automatic
LS Wagon 1986 V6 3.8L FWD Automatic
S Coupe 1986 - 1988 L4 2.5L FWD Automatic
S Coupe 1986 - 1988 V6 2.8L FWD Automatic
S Coupe 1986 - 1988 V6 3.8L FWD Automatic
S Sedan 1986 L4 2.5L FWD Automatic
S Sedan 1986 V6 2.8L FWD Automatic
S Sedan 1986 V6 3.8L FWD Automatic
S Wagon 1986 L4 2.5L FWD Automatic
S Wagon 1986 V6 2.8L FWD Automatic
S Wagon 1986 V6 3.8L FWD Automatic
SL Coupe 1986 - 1988 L4 2.5L FWD Automatic
SL Coupe 1986 - 1988 V6 2.8L FWD Automatic
SL Coupe 1986 - 1988 V6 3.8L FWD Automatic
SL Sedan 1986 L4 2.5L FWD Automatic
SL Sedan 1986 V6 2.8L FWD Automatic
SL Sedan 1986 V6 3.8L FWD Automatic
SL Wagon 1986 L4 2.5L FWD Automatic
SL Wagon 1986 V6 2.8L FWD Automatic
SL Wagon 1986 V6 3.8L FWD Automatic
Cutlass Cruiser 1987-1988 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Brougham Wagon 1987 L4 2.5L FWD Automatic
Brougham Wagon 1987 V6 2.8L FWD Automatic
Brougham Wagon 1987 V6 3.8L FWD Automatic
Brougham LS Wagon 1988 L4 2.5L FWD Automatic
Brougham LS Wagon 1988 V6 2.8L FWD Automatic
Brougham LS Wagon 1988 V6 3.8L FWD Automatic
LS Wagon 1987 - 1988 L4 2.5L FWD Automatic
LS Wagon 1987 - 1988 V6 2.8L FWD Automatic
LS Wagon 1987 - 1988 V6 3.8L FWD Automatic
SL Wagon 1988 L4 2.5L FWD Automatic
SL Wagon 1988 V6 2.8L FWD Automatic
SL Wagon 1988 V6 3.8L FWD Automatic
Delta 88 1986-1988 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Royale Coupe 1986 V6 3.0L FWD Automatic
Royale Coupe 1986 - 1988 V6 3.8L FWD Automatic
Royale Sedan 1986 V6 3.0L FWD Automatic
Royale Sedan 1986 - 1988 V6 3.8L FWD Automatic
Royale Brougham Coupe 1986 V6 3.0L FWD Automatic
Royale Brougham Coupe 1986 - 1988 V6 3.8L FWD Automatic
Royale Brougham Sedan 1986 V6 3.0L FWD Automatic
Royale Brougham Sedan 1986 - 1988 V6 3.8L FWD Automatic
Toronado 1986-1987 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Brougham Coupe 1986 - 1987 V6 3.8L FWD Automatic
Trofeo Coupe 1987 V6 3.8L FWD Automatic
Pontiac 1 model (tapclick to expand)(tapclick to hide)
Bonneville 1987-1988 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Sedan 1987 V6 3.8L FWD Automatic
LE Sedan 1987 - 1988 V6 3.8L FWD Automatic
SE Sedan 1988 V6 3.8L FWD Automatic
SSE Sedan 1988 V6 3.8L FWD Automatic
Toyota 1 model (tapclick to expand)(tapclick to hide)
4Runner 1996-2002 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base SUV 2001 V6 3.4L RWD/4WD Automatic & Manual
Base SUV 1996 - 2000 L4 2.7L RWD/4WD Automatic & Manual
Limited SUV 1997 - 2002 V6 3.4L RWD Automatic
Limited SUV 1997 - 1998 V6 3.4L RWD Manual
Limited SUV 1996 - 2002 V6 3.4L 4WD Automatic
Limited SUV 1996 - 1998 V6 3.4L 4WD Manual
SR5 SUV 1996 - 2002 V6 3.4L RWD/4WD Automatic
SR5 SUV 1996 - 2000 V6 3.4L RWD/4WD Manual
Verify before ordering — please confirm your vehicle's year, make, model and sub-model specifications before placing your order. If anything is unclear, our customer service team is available to help.

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Shipping Information

We offer fast, reliable shipping on all orders:

  • Ships to all countries via US Postal Service Priority Mail.
  • Most orders ship within 1 business day.
  • Delivery time: 1-4 business days after shipment.
  • International shipping available, including APO/FPO addresses.
  • Tracking information provided for all shipments.
  • Additional handling fees may apply for oversized/overweight packages.

Lifetime Warranty

This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.

Warranty does NOT cover:

  • Shipping costs or labor expenses.
  • Installation errors.
  • Parts used for racing.
  • Commercial vehicle parts.

Returns (120 Days)

We want you to be 100% satisfied with your purchase. That's why we offer:

  • 120-Day Returns - Return any part within 120 days from date of receipt.
  • Must obtain RMA (Return Merchandise Authorization) number before returning.
  • Parts must be in original condition, uninstalled, unaltered, and in original packaging.
  • Important: Electrical parts are not returnable if unsealed.
  • Please inspect parts upon arrival and notify us within 5 days of receiving incorrect or damaged parts.
  • Refunds processed after warehouse receives return and credited to original payment method.

Interchange Parts

Brand Part Number
ACDelco 14108S
Atlas 642218
Duralast A71311
Freshstart 3034
Gates 18801
Gates 21535
General Motors 25524572
Goodyear 63029
Goodyear 64288

Fits Years: 1984 1985 1986 1987 1988 1996 1997 1998 1999 2000 2001 2002

Fits Models: 4Runner, 98, Bonneville, Century, Cutlass Ciera, Cutlass Cruiser, Delta 88, Electra, LeSabre, Riviera, Toronado

Expert Guide

Engine Coolant Bypass Hose: A Guide for the 1981-1991 Oldsmobile Delta 88

Learn how to spot a failing engine coolant bypass hose on your classic Delta 88 and choose the right replacement part to prevent overheating.

 Read Full Guide →
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