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1978 GMC K25

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Choose your Engine for your 1978 GMC K25

6 Cyl 4.1L 6 Cyl 4.8L 8 Cyl 5.0L 8 Cyl 5.7L 8 Cyl 6.6L 8 Cyl 7.4L

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1978 GMC K25 Accessory Drive Belt - Fan and Alternator 6 Cyl 4.8L Dayco

w/o A.C.
Product Attributes:
- Top Width: .44
- Outside Circumference:
  - 1017.78
  - 40.07
- Color: Black
- Banded Belt: N
- Standards: Sae J636, Sae J637
- Effective Length:
  - 1003.30
  - 39.50
- Belt Construction: Bottom Cog
- Minimum Operating Temperature:
  - -35
  - -37.2
- Material: Synthetic Rubber Compound
- Maximum Operating Temperature:
  - 175
  - 79.4

This Part Fits the Following OEM/Substitute Numbers:

02-7022929, 04-00213, 04612727, 0779-18-38199, 1.179.480, 11502213, 11721-H7201, 11A1005, 1212, 13-395, 13-400, 13391, 13395, 14025275, 14062237, 141-1206, 14853-H7201, 14853-H9910...VIEW MORE

Additional Fitment Information:

Vehicle	Block	CC	Position	Engine	CID
1978 - GMC K25	L	-	Fan and Alternator	6 Cyl 4.8L	292

2 In Stock

Limited-Time Offer

$25.60 USD

$30.72 USD


Brand	Dayco
Part #	D3515395
Condition	New
Warehouse	B

1978 GMC K25 Accessory Drive Belt - Fan and Alternator 8 Cyl 5.0L Dayco

w/A.C.
Product Attributes:
- Top Width: .44
- Outside Circumference:
  - 1144.78
  - 45.07
- Color: Black
- Banded Belt: N
- Standards: Sae J636, Sae J637
- Effective Length:
  - 1130.30
  - 44.50
- Belt Construction: Bottom Cog
- Minimum Operating Temperature:
  - -35
  - -37.2
- Material: Synthetic Rubber Compound
- Maximum Operating Temperature:
  - 175
  - 79.4

Additional Fitment Information:

Vehicle	Block	CC	Position	Engine	CID
1978 - GMC K25	V	-	Fan and Alternator	8 Cyl 5.0L	305

4 In Stock

Limited-Time Offer

$31.17 USD

$37.40 USD


Brand	Dayco
Part #	D3515445
Condition	New
Warehouse	B

1978 GMC K25 Accessory Drive Belt - Fan and Alternator 8 Cyl 6.6L Dayco

Product Attributes:
- Top Width: .44
- Outside Circumference:
  - 1144.78
  - 45.07
- Color: Black
- Banded Belt: N
- Standards: Sae J636, Sae J637
- Effective Length:
  - 1130.30
  - 44.50
- Belt Construction: Bottom Cog
- Minimum Operating Temperature:
  - -35
  - -37.2
- Material: Synthetic Rubber Compound
- Maximum Operating Temperature:
  - 175
  - 79.4

This Part Fits the Following OEM/Substitute Numbers:

10019362, 10024880, 10A1130, 11365, 11A1130, 123, 13-446, 13444, 13445, 14029081, 14049250, 14072732, 14076346, 14079250, 141-0463, 141-1008, 15-445, 15-452...VIEW MORE

Additional Fitment Information:

Vehicle	Block	CC	Position	Engine	CID
1978 - GMC K25	V	-	Fan and Alternator	8 Cyl 6.6L	400

4 In Stock

Limited-Time Offer

$31.17 USD

$37.40 USD


Brand	Dayco
Part #	D3515445
Condition	New
Warehouse	B

1978 GMC K25 Accessory Drive Belt - Fan and Alternator 8 Cyl 5.0L Dayco

w/o A.C.
Product Attributes:
- Top Width: .44
- Outside Circumference:
  - 1132.08
  - 44.57
- Color: Black
- Banded Belt: N
- Standards: Sae J636, Sae J637
- Effective Length:
  - 1117.60
  - 44
- Belt Construction: Bottom Cog
- Minimum Operating Temperature:
  - -35
  - -37.2
- Material: Synthetic Rubber Compound
- Maximum Operating Temperature:
  - 175
  - 79.4

This Part Fits the Following OEM/Substitute Numbers:

10038288, 11A1120, 12339359-11, 1235759, 1254814, 128790A1, 13-440, 13441, 1359114, 14003977, 14087004, 14087506, 141-1040, 141-1279, 15-440, 15-444, 151529-R2, 15440...VIEW MORE

Additional Fitment Information:

Vehicle	Block	CC	Position	Engine	CID
1978 - GMC K25	V	-	Fan and Alternator	8 Cyl 5.0L	305

8 In Stock

Limited-Time Offer

$28.03 USD

$33.64 USD


Brand	Dayco
Part #	D3515440
Condition	New
Warehouse	B

1978 GMC K25 Accessory Drive Belt - Power Steering 8 Cyl 5.0L Dayco

w/o A.C.
Product Attributes:
- Top Width: .44
- Outside Circumference:
  - 36.57
  - 928.88
- Color: Black
- Banded Belt: N
- Standards: Sae J636, Sae J637
- Effective Length: 914.40
- Belt Construction: Bottom Cog
- Minimum Operating Temperature:
  - -35
  - -37.2
- Material: Synthetic Rubber Compound
- Maximum Operating Temperature:
  - 175
  - 79.4

This Part Fits the Following OEM/Substitute Numbers:

02117-90013, 02117-90513, 1.711.144, 111-903-137E, 11720-22101, 11720-73402, 11720-N8502, 11720-N9500, 11720-W7010, 11A0915, 13360, 13361, 14030085, 141-0679, 141-1205, 141-1300, 14853-C610101, 15-360...VIEW MORE

Additional Fitment Information:

Vehicle	Block	CC	Position	Engine	CID
1978 - GMC K25	V	-	Power Steering	8 Cyl 5.0L	305

44 In Stock

Limited-Time Offer

$27.95 USD

$33.54 USD


Brand	Dayco
Part #	D3515360
Condition	New
Warehouse	B

1978 GMC K25 Accessory Drive Belt - Fan and Power Steering 6 Cyl 4.1L Dayco

w/A.C.
Product Attributes:
- Top Width: .44
- Outside Circumference:
  - 1246.38
  - 49.07
- Color: Black
- Banded Belt: N
- Standards: Sae J636, Sae J637
- Effective Length:
  - 1231.90
  - 48.50
- Belt Construction: Bottom Cog
- Minimum Operating Temperature:
  - -35
  - -37.2
- Material: Synthetic Rubber Compound
- Maximum Operating Temperature:
  - 175
  - 79.4

This Part Fits the Following OEM/Substitute Numbers:

05743317, 10039403, 1231018, 13-485, 13485, 14029055, 14029060, 14067706, 14076347, 1486504, 15-491, 15485, 15490, 15491, 15599208, 15W485L, 2485, 25-12333...VIEW MORE

Additional Fitment Information:

Vehicle	Block	CC	Position	Engine	CID
1978 - GMC K25	L	-	Fan and Power Steering	6 Cyl 4.1L	250

10 In Stock

Limited-Time Offer

$32.46 USD

$38.95 USD


Brand	Dayco
Part #	D3515485
Condition	New
Warehouse	B

1978 GMC K25 Radiator Coolant Hose - Lower 8 Cyl 5.0L Dayco

w/A.C.
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 - GMC K25	V	-	Lower	8 Cyl 5.0L	305

15 In Stock

Limited-Time Offer

$28.05 USD

$33.66 USD


Brand	Dayco
Part #	D3570735
Condition	New
Warehouse	B

1978 GMC K25 Radiator Coolant Hose - Lower 8 Cyl 5.0L Dayco

w/o A.C.
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

Additional Fitment Information:

Vehicle	Block	CC	Position	Engine	CID
1978 - GMC K25	V	-	Lower	8 Cyl 5.0L	305

15 In Stock

Limited-Time Offer

$28.05 USD

$33.66 USD


Brand	Dayco
Part #	D3570735
Condition	New
Warehouse	B

1978 GMC K25 Engine Harmonic Balancer 8 Cyl 7.4L Dorman

Harmonic Balancer Assembly
Direct Replacement
Product Attributes:
- Keyway Type:
  - Oui
  - Sí
  - Yes
- Marcas de grados: Sí
- Grade Type:
  - Reemplazo Estándar
  - Standard Replacement
- Mounting Hardware Included:
  - No
  - Non
- Color:
  - Black
  - Negro
  - Noir
- Degree Markings:
  - Oui
  - Yes
- Drive Belt Type:
  - Serpentina
  - Serpentine
- Bolt And Washer Included:
  - No
  - Non
- Contenidos del paquete:
  - 1 Hoja De Instrucciones
  - 1 Polea De Cigüeñal
- Mounting Hole Quantity:
  - 1
  - 1 Ensamble De Manguera Del Calentador
Features:
- Ideal replacement - this harmonic balancer assembly exactly matches the fit and function of the original harmonic balancer for a direct replacement
- Durable construction - stringent specifications and careful construction help ensure longevity
- Thoroughly tested - this harmonic balancer has undergone dimensional verification, material validation and functional testing
- Trustworthy quality - backed by a team of product experts in the United States and more than a century of automotive experience
This direct replacement harmonic balancer features a stress-resistant rubber bond to properly absorb engine vibration. Stringent standards help ensure excellent tensile and impact strength for greater durability.

This Part Fits the Following OEM/Substitute Numbers:

102049, 102050, 10216339, 14097023, 14097024, 3963529, 3963530, 49252767248045142, DA4541, P-GM454SP, PB1018N

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1978 - GMC K25	V	-	8 Cyl 7.4L	454

1 In Stock

Limited-Time Offer

$133.96 USD

$160.75 USD


Brand	Dorman
Part #	D18594-010
Condition	New
Warehouse	B

1978 GMC K25 Suspension Shock Absorber - Rear Monroe

with Rear Raised Height 2.5 (in) to 4.0 (in)
RS9000XL
Suggested Purchase Quantity: 2
- Most jobs typically require 2 of this item.

This Part Fits the Following OEM/Substitute Numbers:

1F0034700, 1F0134700, 1F2028700, 1F2034700, 1F2128700, 1F2134700, 1F2228700, 1F2328700, 1F2428700, 1F2528700, 1F6028700, 1F6034700B, 1F6128700, 1F6134700, 1F6228700B, 1F6234700, 1F6328700B, 1F6334700A..., 1F6428700B, 1F6434700A, 1F6528700A, 1F6534700, 1F6628700, 1F6628700B, 1F6634700, 1F6734700, 1F7328700, 1F7428700A, 1FAA34700, 1FBC28700, 1FBC34700, 22011979, 22011984, 3187843, 3187844, 4897443AA, 4897443AB, 4897457AA, 4897458AA, 4897466AA, 4993562, 52038436, 52038517, 52038518, 52038607, 52038616, 52038724, 52039380, 52039452, 52039481AA, 52039484AA, 52039485AA, 52039486AA, 52106080AA, 5U2Z18V124Z, E4TZ18124F, E4TZ18124G, E4TZ18125E, E4TZ18125M, E5TZ18125B, E7TZ18124A, E7TZ18124B, E7TZ18124C, E7TZ18124D, E7TZ18124E, E7TZ18124F, E7TZ18124G, E7TZ18124H, E7TZ18124J, E7TZ18124K, E7TZ18124R, E7TZ18125A, E7TZ18125B, E7TZ18125C, E7TZ18125D, E7TZ18125E, E7TZ18125F, E7TZ18125G, E7TZ18125J, E7TZ18125K, E7TZ18125L, E7TZ18125M, E7TZ18125N, E7XZ18124B, E7XZ18124D, E7XZ18124E, E7XZ18124F, E7XZ18125D, E7XZ18125G, F2TZ18124P, F2TZ18124R, F2TZ18125A, F2TZ18125H, F2TZ18125M, F2TZ18125N, F2TZ18125P, F2TZ18125R, F3TZ18124B, F3TZ18125B, F4TZ18124B, F4TZ18124D, F4TZ18124E, F4TZ18124F, F4TZ18124G, F4TZ18124H, F4TZ18124J, F4TZ18124K, F4TZ18125B, F4TZ18125C, F4TZ18125D, F4TZ18125E, F4TZ18125F, F4TZ18125G, F4TZ18125H, F4TZ18125L, F4TZ18125N, F5TZ18124AA, F5TZ18125AA, F5TZ18125C, F65Z18125DC, F75Z18124AA, F75Z18124BA, F75Z18124CA, F75Z18124CB, F75Z18124DA, F75Z18124DB, F75Z18124FA, F75Z18124FB, F75Z18124LA, F75Z18124LAA, F75Z18124TA, F75Z18124UA, F75Z18124UB, F75Z18125AC, F75Z18125AD, F75Z18125AE, F75Z18125AF, F75Z18125AG, F75Z18125DA, F75Z18125DB, F75Z18125DC, F75Z18125HB, F75Z18125HC, F75Z18125JB, F75Z18125KB, F75Z18125KC, F75Z18125LB, F75Z18125LC, F75Z18125NB, F75Z18125NC, F75Z18125PB, F75Z18125PC, F75Z18125UB, F75Z18125UC, F7AZ18124RB, F7AZ18124TB, F7AZ18124ZG, F7AZ18125VA, F7AZ18125YA, F7AZ18125ZA, F85Z18124FA, F85Z18124LA, FOTZ18125A, FOTZ18125D, XL1Z18124AA, XL1Z18125AA, ZZM428700, ZZM528700, ZZM628700, ZZM728700, ZZP028700, ZZP034700, ZZP128700, ZZP134700, ZZP228700, ZZP234700, ZZP328700, ZZP334700, ZZP428700, ZZP434700, ZZP528700, ZZP628700, ZZP628700A, ZZR034700, ZZR134700, ZZR234700 VIEW MORE

Additional Fitment Information: