1972 GMC C/K Series Pickup Windshield Wiper Blades

The spacing will depend on the axle diameter and on which particular spring hanger kit you use. If you have a 6000 lb 3 inch diameter axle, and you're using the…

Thank you for purchasing from etrailer! You did a great job selecting compatible parts. When using Leaf Springs #e64SR with the #AP233 Equalizer Kit and the #H248 Hanger Kit, there should be…

Since Demco uses 3,500 drum brake assemblies part #DMSB24429M and #DMSB24428M what you'd need is similar 3,500 electric brake assemblies like the etrailer part…

On equalizer 013-105-04 in kit #K71-360-00 the eye center to eye center measurement is approximately 7-1/2 inches.

I attached a picture that shows what the three different styles of wiper blades look like. Beam and Frame are the most different and Hybrid is mix of the two. The #MCH8519 is the hybrid style in the middle.

A drop axle certainly can make it tough to reach the star wheel adjuster on a drum brake. The adjuster spoon tool we offer #W80630 has a 90-degree bend that will often let you get access to the adjuster even on a drop axle. Essentially you will…

Yes, the Bolt Trailer Hitch Lock part #BL7023582 will work for you as it is a hitch lock designed for 2-1/2 inch hitches like what you have on your GMC 3500 truck. The usable portion of this lock is 3.55 inches. Check out the picture I attached for…

The Dexter 10K electric brakes #23-439 (right side) and #23-438 (left side) will have to be manually adjusted using the adjustment wheel below the magnet. To adjust the brakes you will use a small screwdriver or similar tool to turn the adjustment…

I checked directly with BOLT for you, and they confirmed for me that your 2021 Chevy Silverado is absolutely compatible with their trailer hitch locks. Take a look at the accompanying photo, and if you have the same center cut key, the correct lock…

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

Thanks for the picture of what you have and the info you listed. The correct wheel you need is the part #AM20794 that you referenced.

On Curt brake controller #C24VV there is a 20 display so if the display is upside down is would look like 02 or 05. That message either indicates that a trailer is connected and the brakes are activated or, if it is flashing, that means it is in…