Browse Allison 4500HS GEN 4-5 Transmission Parts for sale on MyLittleSalesman.com. Compare prices, photos, and seller details across 5 listings. Allison 4500HS GEN 4-5 Transmission Part pricing ranges from $550 to $550 based on recent marketplace data. Filter by condition, price, or year to find the right Allison 4500HS GEN 4-5 Transmission Part.