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Thread: Leaf Spring Bushing NAPA #'s Obsolete?

  1. #1

    Default Leaf Spring Bushing NAPA #'s Obsolete?

    Napa website no longer returns any part numbers for the spring bushings up front...

    It was per the zone:

    Front Bushing: NAPA 274-6523
    Rear Bushing: NAPA 274-1185


    Anyone know the actual dimensions so I can find maybe a modern alternative?
    67' M715/5.9 Cummins/ZF5/NP205

  2. #2
    Join Date
    Dec 2008
    Location
    Long Island, New York
    Posts
    76

  3. #3

    Default

    Quote Originally Posted by venominjected View Post
    Napa website no longer returns any part numbers for the spring bushings up front...

    It was per the zone:

    Front Bushing: NAPA 274-6523
    Rear Bushing: NAPA 274-1185


    Anyone know the actual dimensions so I can find maybe a modern alternative?
    Three years ago, when I ordered them from NAPA, one of the numbers was obsolete, but the counter guy was able to find a substitute.
    Darned if I can find those numbers anywhere in my notes

    But, I see that BJ's has both bushings for the front springs

    http://www.bjsoffroad.com/M715-M725-...ng_p_1675.html

  4. #4
    Join Date
    Jan 2011
    Location
    Fernandina Beach, FL
    Posts
    3,689

    Default

    My truck wandered all over the road so I bought a pair of front springs from AB Linn years ago. New springs, new bushings all at the same time. And, I think they were less than $100 including shipping. I only wish I had ordered rear springs as well. One of the six grease fittings will not accept grease. I guess a little "hot wrench" action may encourage it

  5. #5

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    Quote Originally Posted by Don Cavey View Post
    My truck wandered all over the road so I bought a pair of front springs from AB Linn years ago. New springs, new bushings all at the same time. And, I think they were less than $100 including shipping. I only wish I had ordered rear springs as well. One of the six grease fittings will not accept grease. I guess a little "hot wrench" action may encourage it
    I took apart my rear springs... and 'drilled out (a drill bit twisting it inside the grease passsage way by hand' all the stud grease passage ways and installed new zerks. grease everywhere now.
    67' M715/5.9 Cummins/ZF5/NP205

  6. #6
    Join Date
    Jan 2011
    Location
    Fernandina Beach, FL
    Posts
    3,689

    Default

    Quote Originally Posted by venominjected View Post
    I took apart my rear springs... and 'drilled out (a drill bit twisting it inside the grease passsage way by hand' all the stud grease passage ways and installed new zerks. grease everywhere now.
    Good idea, I will have to try that.

  7. #7

    Default

    Quote Originally Posted by venominjected View Post
    I took apart my rear springs... and 'drilled out (a drill bit twisting it inside the grease passsage way by hand' all the stud grease passage ways and installed new zerks. grease everywhere now.
    This. They also make a special tool for frozen zerks you put penetrating oil in and then inject it in the fitting. I've had mixed luck with it though.

  8. #8
    Join Date
    Jan 2011
    Location
    Fernandina Beach, FL
    Posts
    3,689

    Default

    Quote Originally Posted by glenn View Post
    This. They also make a special tool for frozen zerks you put penetrating oil in and then inject it in the fitting. I've had mixed luck with it though.
    I have had the zerk out and replaced it with an new one. The problem is with the grease inside of the bushing. Surely, with a little patience, it will get going. Not bad, one out of six having problems with....

  9. #9

    Default

    Yeah, been there with the rear spring posts. Like was said use a drill bit by hand and try to get all the old nasty hard grease out. A little bit of heat from a torch might help to get the little plug of grease out of the hole in the post that lets the grease go from the inner passage to the spring bushing. A little right angle pick might help too if can find where the hole in the post is.

  10. #10
    Join Date
    Jan 2011
    Location
    Fernandina Beach, FL
    Posts
    3,689

    Default

    Quote Originally Posted by glenn View Post
    Yeah, been there with the rear spring posts. Like was said use a drill bit by hand and try to get all the old nasty hard grease out. A little bit of heat from a torch might help to get the little plug of grease out of the hole in the post that lets the grease go from the inner passage to the spring bushing. A little right angle pick might help too if can find where the hole in the post is.
    All good suggestions, I will try that... AFTER I fix the leaking elbow on my water supply coming into the house. I hate PVC pipe! I always had copper growing up. Never a problem and easy to sweat. But then, I digress...

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