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Major Engine Overhaul Kit PART #: OK641

Major Engine Overhaul Kit
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  • Major Engine Overhaul Kit - OK641

Description & Notes

Part # OK641
Notes & Description REG. INJECTION, ROPE SEAL
3 CYL., BORE: 3.6"
Associated Items A-IK641 In Frame Engine Overhaul Kit 1
A-TWK152 Washer, Thrust 1
A-0230001 Lock, Valve 12
A-0780006 Spring, Valve Outer 6
A-0910002 Valve, Exhaust 3
A-10152 Lucas Assembly Lube (8 oz) 1
A-10153 Assembly Lube; Case of 12-8oz bottles 1
A-31358345 Liner, Cylinder (.150"Flange) 3
A-31431261 Valve, Intake 3
A-33261723 Guide, Intake & Exhaust Valve 6
A-47P347 Rings, Piston 3
A-81512 Piston 3
Kit Components Piston Liner Kit A-U5MK0033 3.00
Bearing Set, Main (4) A-68084 STD 1.00
A-68084A .010 1.00
A-68084B .020 1.00
A-68084C .030 1.00
Washer Set, Thrust (4) A-31137211/21 STD tabbed washer 1.00
Bearing Set, Conn Rod A-85036 STD 1.00
A-85036A .010 1.00
A-85036B .020 1.00
A-85036C .030 1.00
Bushing, Conn Rod A-31134151 3.00
Bolt, Conn Rod A-0095250 6.00
Nut, Conn Rod A-33221327 6.00
Seal, Front Crankshaft A-2415344 1.00
Seal, Rear Crankshaft A-36883106 rope seal 2.00
Gasket, Upper Set A-U5LT0012 1.00
Gasket, Lower Set w/o Sea A-U5LB0012 1.00
Valve Train Kit A-VTK301 1.00
Package Quantity 1

Product Fit

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Additional Information

Did your IMT major engine overhaul kit give up on you? We're here to help. Our replacement OK641 major engine overhaul kit is built tough and fits more than one tractor, including the IMT IMT539, IMT IMT542. We strive to keep your IMT running for the long term, which is why we sell quality major engine overhaul kits that are built to last.

It can be pricey to replace a major engine overhaul kit on the IMT IMT539, IMT542, or really any tractor. That's why we sell new high quality major engine overhaul kits direct at often lower prices than even a used IMT major engine overhaul kit!

Price is just one part of the equation though- quality matters too. We don't want you replacing your major engine overhaul kit more than you need to, which is why we back our parts with an industry leading warranty. Even if your IMT539, IMT542 is not your main tractor, TractorJoe knows that having it up and running is always important.

It doesn't matter if you're installing our major engine overhaul kit in your IMT IMT539, IMT IMT542, or something else, we'll be here for you. Our staff knows a lot about IMT tractors, and our Q and A community is there for any other questions you may have.

Major Engine Overhaul Kit

PART #: OK641

Price: $329.18


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Frequently Asked Questions
When will I get my items?
Once your items have shipped it takes around 2 to 4 days to arrive at your location. You can track the shipment to find the expected delivery date or if there are any issues that have caused a shipping delay. Destinations outside the continental US will take additional time for delivery.
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