Peterbilt, 377, 378, 379, 387, Radiator Core, (A-9578-L-5-HH, 29578, 266846) 36 1/4 x 34 3/8, 5 Row, R Core, Heavy Headers, Dimple Tubes, BOH 6 5/8 x 37 1/2, 42 Bolt Holes Includes TG3809 Gaskets And Bolt Kit ICEBOX replacement part for Peterbilt@ #A-9578-L-5-HH

Radiator Supply House Inc. currently has 2 Peterbilt Peterbilt, 377, 378, 379, 387, Radiator Core, (A-9578-L-5-HH, 29578, 266846) 36 1/4 x 34 3/8, 5 Row, R Core, Heavy Headers, Dimple Tubes, BOH 6 5/8 x 37 1/2, 42 Bolt Holes *Includes TG3809 Gaskets And Bolt Kit* **ICEBOX replacement part for Peterbilt**@(s) #A-9578-L-5-HH in stock.

Part Information

Part Number:	A-9578-L-5-HH
Part Description:	Peterbilt, 377, 378, 379, 387, Radiator Core, (A-9578-L-5-HH, 29578, 266846) 36 1/4 x 34 3/8, 5 Row, R Core, Heavy Headers, Dimple Tubes, BOH 6 5/8 x 37 1/2, 42 Bolt Holes Includes TG3809 Gaskets And Bolt Kit ICEBOX replacement part for Peterbilt@
Part Quantity:	2
Last Updated:	2026-05-06
Manufacturer:	Peterbilt
Fits models:	377, 378, 379, 387

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Dealer Information

Name:	Radiator Supply House Inc.
Phone:	☎ Click for Phone Number 541-367-2991
Email:	Send an email
Dealer Page:	/dealers/radiator-supply-house-inc/9013
Website:	https://www.RadiatorSupplyHouse.com
Address:	1460 47th Ave. Sweet Home OR 97386

Google Map of 1460 47th Ave. Sweet Home OR 97386+1460+47th+Ave.+Sweet+Home+OR+97386

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Peterbilt, 377, 378, 379, 387, Radiator Core, (A-9578-L-5-HH, 29578, 266846) 36 1/4 x 34 3/8, 5 Row, R Core, Heavy Headers, Dimple Tubes, BOH 6 5/8 x 37 1/2, 42 Bolt Holes *Includes TG3809 Gaskets And Bolt Kit* **ICEBOX replacement part for Peterbilt**@ #A-9578-L-5-HH

Part Information

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Dealer Information

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Peterbilt, 377, 378, 379, 387, Radiator Core, (A-9578-L-5-HH, 29578, 266846) 36 1/4 x 34 3/8, 5 Row, R Core, Heavy Headers, Dimple Tubes, BOH 6 5/8 x 37 1/2, 42 Bolt Holes Includes TG3809 Gaskets And Bolt Kit ICEBOX replacement part for Peterbilt@ #A-9578-L-5-HH