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1978 Pontiac Bonneville

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1978 Pontiac Bonneville Radiator Coolant Hose Parts

Choose your Engine for your 1978 Pontiac Bonneville

8 Cyl 4.9L 8 Cyl 5.7L 8 Cyl 6.6L

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1978 Pontiac Bonneville Radiator Coolant Hose - Lower 8 Cyl 6.6L Dayco

Curved Radiator Hose
Product Attributes:
- : 1.50
- Trunk Height: 18
- Color: Black
- Contains Heat Shield: N
- Centerline Length: 18
- End 1 Inside Diameter:
  - 1 1/2
  - 1.81
- Hose Type: Dual I.d. Hose
- SAE Specification: Sae J20r4 Class D-1, Sae J1684 Type Ec
- Contains Protective Sleeve: N
- Material: Epdm
- End 2 Inside Diameter: 1 13/16

This Part Fits the Following OEM/Substitute Numbers:

015, 14009334, 15734120, 15734121, 20843, 24053L, 337929, 375673, 471622, 526093, 546873, 60855, 6274066, 7581, BH1640, C0843, E70735, KM758...VIEW MORE

Additional Fitment Information:

Vehicle	Block	CC	Position	Engine	CID
1978 - Pontiac Bonneville	V	-	Lower	8 Cyl 6.6L	400

2 In Stock

Limited-Time Offer

$28.85 USD

$34.62 USD


Brand	Dayco
Part #	D3570735
Condition	New
Warehouse	B

1978 Pontiac Bonneville Radiator Coolant Hose - Upper 8 Cyl 6.6L Dayco

Flex Radiator Hose
Product Attributes:
- : 1.50
- Centerline Length: 30
- End 1 Inside Diameter: 1.50

This Part Fits the Following OEM/Substitute Numbers:

1230, 138, 25487, 26420, 31641, 52430, 550, 6030, 630, 6M30, 81221, BH648, C6420, E3TZ-8B274-B, FF311, FH91, FM85, KB300...VIEW MORE

Additional Fitment Information:

Vehicle	Block	CC	Position	Engine	CID
1978 - Pontiac Bonneville	V	-	Upper	8 Cyl 6.6L	400

2 In Stock

Limited-Time Offer

$40.29 USD

$48.35 USD


Brand	Dayco
Part #	D3581221
Condition	New
Warehouse	B

1978 Pontiac Bonneville Radiator Coolant Hose - Lower 8 Cyl 6.6L Gates

Flexible Coolant Hose (Standard)
Product Attributes:
- Molded: No
- Centerline Length: 559
- End 1 Inside Diameter:
  - 1.5
  - 38
- Material: Epdm, Steel
- End 2 Inside Diameter:
  - 1.75
  - 44
Features:
- Improved sealing surface for greater leak resistance
- High flexibility for easy installation
- Maximum vehicle coverage with minimum inventory
- Resistant to heat, oil and ozone
- Rated for SAE 20R5 Class D-2 performance
- Temperature Range: up to +257 Deg. F (+125 Deg. C)
- Note: Gates recommends replacing clamps each time a new coolant hose is installed
- Caution: Do not use for fuel or oil transfer applications
Gates Vulco-Flex II coolant hose is a flexible, durable hose designed to bend in almost any direction. Engineered with improved sealing surface for greater leak resistance, this hose easily replicates the angles and planes of a wide variety of expensive OE coolant hoses for quick, easy, and cost-effective replacement.

This Part Fits the Following OEM/Substitute Numbers:

1035, 1222S, 1223, 1322, 142, 228850, 23277, 25532, 285065, 2910983, 31648, 360084, 3732564, 4949-101, 524221, 52423, 544, 6227...VIEW MORE

Additional Fitment Information:

Vehicle	Block	CC	Position	Fuel Type	Engine	CID
1978 - Pontiac Bonneville	V	-	Lower	GAS	8 Cyl 6.6L	403

3 In Stock

Limited-Time Offer

$38.99 USD

$46.79 USD


Brand	Gates
Part #	GRC25532
Condition	New
Warehouse	B

UPC: 072053066937

1978 Pontiac Bonneville Radiator Coolant Hose - Upper 8 Cyl 6.6L Gates

Flexible Coolant Hose (Standard)
Product Attributes:
- Molded: No
- Centerline Length:
  - 30
  - 762
- End 1 Inside Diameter:
  - 1.5
  - 38
- Material: Epdm, Steel
- End 2 Inside Diameter:
  - 1.5
  - 38
Features:
- Improved sealing surface for greater leak resistance
- High flexibility for easy installation
- Maximum vehicle coverage with minimum inventory
- Resistant to heat, oil and ozone
- Rated for SAE 20R5 Class D-2 performance
- Temperature Range: up to +257 Deg. F (+125 Deg. C)
- Note: Gates recommends replacing clamps each time a new coolant hose is installed
- Caution: Do not use for fuel or oil transfer applications
Gates Vulco-Flex II coolant hose is a flexible, durable hose designed to bend in almost any direction. Engineered with improved sealing surface for greater leak resistance, this hose easily replicates the angles and planes of a wide variety of expensive OE coolant hoses for quick, easy, and cost-effective replacement.

This Part Fits the Following OEM/Substitute Numbers:

10-18399, 1039, 1228, 1230, 1318424, 1373026, 138, 15608, 23270, 23271, 25487, 31641, 360095, 3898555, 3898556, 4949-37, 52430, 550...VIEW MORE

Additional Fitment Information:

Vehicle	Block	CC	Position	Fuel Type	Engine	CID
1978 - Pontiac Bonneville	V	-	Upper	GAS	8 Cyl 6.6L	403

1 In Stock

Limited-Time Offer

$43.65 USD

$52.38 USD


Brand	Gates
Part #	GRC25487
Condition	New
Warehouse	B

UPC: 072053066869

1978 Pontiac Bonneville Radiator Coolant Hose - Lower 8 Cyl 5.7L Gates

Flexible Coolant Hose (Standard)
Product Attributes:
- Molded: No
- Centerline Length:
  - 25
  - 635
- End 1 Inside Diameter:
  - 1.5
  - 38
- Material: Epdm, Steel
- End 2 Inside Diameter:
  - 1.5
  - 38
Features:
- Improved sealing surface for greater leak resistance
- High flexibility for easy installation
- Maximum vehicle coverage with minimum inventory
- Resistant to heat, oil and ozone
- Rated for SAE 20R5 Class D-2 performance
- Temperature Range: up to +257 Deg. F (+125 Deg. C)
- Note: Gates recommends replacing clamps each time a new coolant hose is installed
- Caution: Do not use for fuel or oil transfer applications
Gates Vulco-Flex II coolant hose is a flexible, durable hose designed to bend in almost any direction. Engineered with improved sealing surface for greater leak resistance, this hose easily replicates the angles and planes of a wide variety of expensive OE coolant hoses for quick, easy, and cost-effective replacement.
Suggested Purchase Quantity: 2
- Most jobs typically require 2 of this item.