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King pin kit 300-287 for GMC and Isuzu applications. 1.614 inch major diameter, 1.309 inch minor diameter, 8.035 inch length. Replaces GMC number 12540328, 15619560 and Isuzu number 8125403280.
Our Michigan based experts can help.
At Truckspring.com we buy our heavy duty truck parts from several brand name manufacturers to bring you the highest quality parts at the lowest possible prices.
Because we work with so many suppliers, the manufacturer of this particular product may vary. However, you can be certain that Truckspring.com sells only the finest products. We only stock OEM quality or better truck parts. We do not deal in cheap or shoddy made knock offs.
If you would like to enquire as to the manufacturer of a specific part, please call our expert staff at 1-800-358-4751 or 989-755-0561.
On all HD products. We warranty our HD products against defects in workmanship or material.
Damage from accidents, corrosion, improper installation, incorrect applications, overloading, and custom applications that are not specified under the OEM cross references. This warranty does not cover loss of freight, loss of profit, equipment, or personal downtime.
If a Heavy Duty Truck Part fails as a result from a manufacturer defect, contact us at Michigan Truck Spring for support. You can contact us by phone at 1-800-358-4751 or by using our contact form.
Our Michigan based experts can help.