The suspension only works as well as its connections. This 1" diameter bolt gives the equalizer a solid anchor point at the center hanger, keeping the system aligned and stable. It’s built for tandem- or triple-axle setups where holding power matters most, so your suspension stays tight and consistent mile after mile.
A weak bolt won’t last under heavy stress. This suspension bolt is Grade 5 steel, giving it the strength to handle the twisting loads and impacts that come with real-world towing. It keeps the equalizer secure and resists stretch or deformation over time, so the connection stays strong.
Getting the right fit makes all the difference in suspension performance. At 5-1/4" long with 8 threads per inch, this bolt gives plenty of length for a snug, balanced connection without bottoming out. The sizing ensures smooth engagement with the matching locknut (part 6-112, sold separately) for a clean, precise install.
Friction can wear parts fast, but this bolt includes a grease zerk fitting to keep the equalizer pivot moving freely. A quick shot of grease through the zerk keeps the joint quiet and smooth, preventing wear and extending the life of the suspension components.
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Hi there, I'm Michael with etrailer.com. Today we're gonna take a quick look at this Equalizer Suspension Bolt with Grease Zerk fitting. This suspension bolt is going to attach your equalizer to the center hanger for your tandem or triple axle applications. The built-in greaser is gonna make it very simple for you to hook up your grease gun, pump some grease through there and make sure everything is well lubricated. This is a grade five bolt. It is going to be right at five and a quarter of an inch in length and one inch in diameter.
It's got eight threads per inch, and this will require a lock nut to secure it in place. That lock nut is sold separately. You can find it here at etrailer.com using the part number that you see on the screen there. So if you are going to be mounting your equalizer, this is gonna be exactly what you need. And that completes our look for today.
Again, I'm Michael with etrailer.com. Thanks for watching..
Customer Satisfaction Score:
97% were satisfied with this product
3% of customers were not satisfied
Ratings & Reviews
New bolt fit perfectly on my Take3 48ft Car Hauler. I had to cut the old bolt off due to bolt friction welding itself to the sleeve inside the bushing in the equalizer bar. Bought all new components from E-Trailer and got my trailer back up and running. I used the 6-112 Locknut on this bolt, it it all fit perfectly.
Fair pricing
fast shipping thanks really needed it..
Good Thank
Junk, soft, low grade material. I would not have bought this if I knew it was that soft.
I am replacing the. Hydraulic ram on my 1986 Case 570 LXT tractor that has grease certs, so I needed a way to lubricate the new ram. Your bolts appear to be what I needed and at a reasonable price I will send a picture when done. Not quite a shackle operation.
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