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Camoo Rocker Arm Remover Installer & Valve Spring Compressor Tool for Chrysler, Dodge, Jeep 3.7 & 4.7L Replace OE# 3747-123 10102 8426 8387 8516A

  • Based on 307 reviews
Condition: New
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Availability: 15 left in stock
Fulfilled by Amazon

Arrives Wednesday, May 8
Order within 11 hours and 18 minutes
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Features

  • APPLICATION -- For use on Dodge, Jeep, and for Chrysler 3.7 and 4.7 liter engines (partial listing below), this tool works on 1999 - 2013.
  • FUNCTION -- This special rocker arm remover must be used to allow removal of the camshaft, rocker arms and hydraulic lash adjusters in 4.7 Liter Engines. The valve spring tool allows access at the valve keeper so a magnet can be used to remove it.
  • BENEFITS -- It's a specialty tool to remove and install rocker arms safely without damage to the camshaft or camshaft lobes.
  • REPLACE OEM -- Similar to the Miller 10102 that does the job of the 8426, 8387 and 8516A used on 3.7 and 4.7 Dodge engines.
  • SATISFACTION GUARANTEE -- If you are not satisfied with Camoo products, simply return it for a full refund in 30 days. Guarantee with 12 months warranty. No worry about buying!

Manufacturer: ‎Camoo


Brand: ‎Camoo


Item Weight: ‎8.8 ounces


Package Dimensions: ‎5.2 x 2.2 x 1.85 inches


Manufacturer Part Number: ‎Ca-8516A-2


Date First Available: April 10, 2020


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, May 8

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews


  • 4.7 valve compressor
A little smaller than expected but worked OK ive got big hands so it was difficult to get the retainers back in but got it done a second person would help
Reviewed in the United States on July 30, 2023 by tab

  • Great 👍
Worked perfectly
Reviewed in the United States on August 4, 2023 by Frank Arangio

  • Integral tool to remove rockers...
I replaced the lifters on our 2000 Jeep Grand Cherokee, 4.7L. This tool was absolutely neccessary to accomplish said task. I know many people say to molest a thin head 10mm wrench and pry the rockers out, then 'tap' or pry them back into place. For less than $30, you can do the job correctly with this tool. I did have to remove some of the back side of the section where the ratchet attaches, with a hand grinder. It wanted to cintact the fuel rail, and with that being said, you will want to use the smallest head 3/8 ratchet/breaker bar available, as the larger headed tool will also contact the fuel rail. A large box end wrench on the breaker bar can provide the needed leverage to replace the rockers if working solo. I found it was not neccessary to find exact TDC. As long as the cam lobe is not down on the rocker, the valve will compress and the rocker will slide out. Just work which ones have the lobe raised, document them as you go, then cycle the engine by hand just enough to get to the next several lifters. My original lifters had nearly 140k miles and every one was seized. I soaked the new ones (Melling) in half 5w30 oil and half Lucas oil stabilizer overnight. Huge improvement, I had no idea how bad the originals had become. Recommendations- Definitely replace the valve cover gaskets, if not the valve covers themselves. 20+ year old plastic, one of mine cracked upon removal. A gasket set should include the oil fill spout to cylinder head gasket, new cover and gasket set probably won't include that gasket. Heater hoses. Again 20+ years old. They will be coming off anyway. Mopar originals and even aftermarket hoses are ridiculously expensive. HPS silicon hoses were much more reasonable and fit perfectly. Radiator hoses. Gonna be draining coolant anyway, why not? Interesting note, both radiator hoses differ from 99 & 2000 vs. 01 - 04. The heater hoses are the same for all years of WJ's, at least with the 4.7L. HPS only offered radiator hoses for the 01 - 04 models, and their heater hoses specify 01- 04, but fit perfectly in the 2000. Serpentine belt. Again, will have the old one off, slide a new one in there and toss the old one in the cab as a spare. Fuel injector plugs. Several of mine cracked the small red retaining clip. There is not much wiggle room for the harness, so they are just set in for now. 200 miles and they haven't come loose. Found some aftermarket plugs, but will have to splice and solder them in at a later date. Took the better part of the day, but I am no mechanic and had only watched some online videos and read the Chilton's manual. ... show more
Reviewed in the United States on January 13, 2022 by Radcliffe David

  • Works great in close quarters
I almost bought a tool online that only compressed the springs and cost $125. This tool removes the rockers, compresses and its small size allowed me to change the valve stem seals in-vehicle despite the tight clearances.
Reviewed in the United States on May 11, 2023 by D G 31

  • Works
Not tye most fancy tool out there but allowed me to replace a broken valve spring on a v6 dodge caliber.
Reviewed in the United States on May 10, 2023 by Gage

  • Great Tool
Makes job easy.
Reviewed in the United States on April 18, 2023 by Bryan Falkenstern

  • Follow the directions for piston interference.
My Jeep 4.7L HO dropped a valve seat and I decided to take it apart myself. It works great when the pistons are in the right position. The reviewers with broken parts probably hit the pistons. It only takes a few pounds of pressure on the wrench even with an extension for the rear cylinders. The left bank must have cylinder 1 at TDC on compression stroke to remove the cylinder #2 and #8 valves. Then cylinder 3 at TDC on compression stroke for #4 and #6 valves. A compression gauge comes in handy. Any other position and the valves will hit the pistons and won't move. The price jumps from 28 to 48 so beware. ... show more
Reviewed in the United States on May 8, 2021 by Scott

  • Grand Cherokee 4.7L
Does exactly what you need it to do. Replaced all my valve stem seals with this thing and compressed air in the cylinder. I used a large breaker bar not to push hard but so it was easy to hold steady while working with the collets. I saw enough reviews about it breaking to the point I ordered two before starting my project. I'm not sure how it could break under normal use but I've got two in the toolbox now 😂🤙 ... show more
Reviewed in the United States on April 19, 2022 by Adam

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