Manufacturer | Yinyuan Tools |
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Brand | DAYUAN |
Parcel Dimensions | 35.5 x 9 x 5.5 cm; 980 g |
Manufacturer reference | YT-11535 |
Manufacturer part number | YT-11535 |
Item Weight | 980 g |
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DAYUAN Engine Repair Tool Compatible with Ford 4.6L/5.4L/6.8L, Valve Spring Compressor Tool/Crankshaft Positioning Tool/Cam Phaser Holding Tool/Timing Chain Locking Tool/Crankshaft Pulley
Purchase options and add-ons
- This Engine Repair Tool Set allows you to replace rocker arms, lash adjusters, and other valve components without removing the camshaft, makes your job easier and save time for your repair.
- Cam Phaser Locking Tool also called Noise solution kit, Locks the phasers into a fixed position and the ticking noise stops completely. Eliminate the noise and prevent it from happening again in the future.
- Crankshaft positioning tool can align and hold the crankshaft of the engine at TDC for timing chain installation. Cam phaser locking tool designed with a triangle shape with four holes to perfectly fit with the cam phaser.
- Timing Chain Locking Wedge Tool Consists of firm metal rod and hard lemon yellow plastic wedge, helps you finish camshaft or cam phaser changes without losing chain tension. Preventing the timing chain from falling inside the cover when top end is being serviced Crankshaft Pulley Bolt Same as Ford F5RZ-6A340-B, ensure the pulley and timing gears do not slip.
- Valve spring compressor tool is compatible with ford 4.6L 6.8L 3V, same as OE part number 6684/Rotunda 303-1039. Allows you to service Camshaft, Valve Seal, Valve Spring or Retainer quickly and easily.
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From the brand

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Started by providing OEM services for renowned brands, we've dedicated a decade to the automotive tools industry. With our exceptional quality and the widespread adoration of our products among mechanics, we initiated the journey of managing our own brand: DAYUAN.
In the next decade, we aim to combine our manufacturing expertise with e-commerce, ensuring more consumers can afford quality automotive tools.
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Product description
This Cam Repair Tool Set is made of high standard structural steel and coated with long-lasting black oxide.Effective anti-rust,anti-corrosion and deformation protection.Resist high and low temperature.
Make your job a lot easier and much time-saving, Come with noise repair tool kit, eliminate noise caused by failing cam phasers
Replacement part number:6681, 6024, 303-448, 303-1039,303-1046, 303-1175, 3031046, 303448, 525219, 567617,T93P-6303-A.
Compatible with
2005-2010 Super Duty F-250 F-350 F-450 F-550 F-550 5.4L ,
2005-2016 Super Duty F-250 F-350 F-450 F-550 6.8L ,
2012 - 2015 Super Duty F-6888 F-77 50 6.8L ,
2005-2010 Mustang 4.6L,
2005-2011 Ford Expedition 5.4L,
2006-2010 Ford Explorer 4.6L,
2005-2009 Ford F-250 Super Duty 5.4L,
2005-2009 Ford F-350 Super Duty 5.4L,
2005-2010 Ford Mustang 4.6L,
2006-2008 Lincoln Mark LT,
2005-2012 Lincoln Navigator,
2006-2010 Mercury Mountaineer 4.6L,
F-150 4.6L 2009-2010,
F-150 5.4L 2004-2010,
F-250 6.8L 2005-2009,
Ford F-350 5.4L 2005-2009,
F-350 6.8L 2005-2009,
F-450 5.4L 2005-2009,
F-450 6.8L 2005-2009,
F-53 6.8L 2006-2012,
F-550 5.4L 2005-2009,
F-550 6.8L 2005-2009,
F-59 6.8L 2011-2012,
Navigator 5.4L 2005-2012
Package Included:
1xValve Spring Compressor Tool
1xCam Phaser Locking Tool
1xCrankshaft Positioning Tool
1xTiming Chain Locking Wedge Tool
1xFord Crank Pulley Bolt
2xCam Phaser Lock Out Kit
Warranty:
Pleased to serve you,if any problem you can contact us firstly.
If the received product is deformed or beat up please contact us by message, we will provide warranty service for damaged products, true worry-free shopping experience.
Product information
Technical Details
Additional Information
ASIN | B09DC5VZS7 |
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Customer Reviews |
3.3 out of 5 stars |
鶹 Rank |
|
Date First Available | Oct. 26 2022 |
Feedback
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This Item ![]() DAYUAN Engine Repair Tool Compatible with Ford 4.6L/5.4L/6.8L, Valve Spring Compressor Tool/Crankshaft Positioning Tool/Cam Phaser Holding Tool/Timing Chain Locking Tool/Crankshaft Pulley | Recommendations | |||||
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Price | $31.50$31.50 | $36.99$36.99 | $45.98$45.98 | $39.99$39.99 | $66.99$66.99 | $22.99$22.99 |
Delivery | Get it by Saturday, Jul 12 | Get it by Saturday, Jul 12 | Get it by Sunday, Jul 13 | Get it by Sunday, Jul 13 | Get it by Saturday, Jul 12 | Get it by Saturday, Jul 12 |
Customer ratings | ||||||
Sold by | Hippoproducts | DASBETAUTO | DUZFOREI~ | EnRand | DPTOOL CA | DUZFOREI |
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Customer reviews
Customers say
Customers like the functionality and fit of the product. They mention it works well, the wedge tool works great, and the crank position bar fits correctly. However, some customers have reported that the claw broke in half and the valve spring compressor broke after removing the second valve spring.
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Customers like the functionality of the product. They mention the wedge tool works great and the spring compressor does work.
"Spring compressor does work, but sloppy and jams up… nevermind.. shortly after wrote review the paper thin metal tabs broke on it...." Read more
"...Wedge tool worked great. it was a bad purchase unfortunately." Read more
"Did the job. Good fit" Read more
"Works well..." Read more
Customers like the fit of the product. They mention the crank position bar fits correctly and the cam phaser lock tool fits better.
"...i'm not done the job yet, the crank position bar fits correctly." Read more
"worked better than last kit i got. This cam phaser lock tool fit better" Read more
"Did the job. Good fit" Read more
Customers are dissatisfied with the durability of the product. They mention it broke instantly, the claw broke in half, and the valve spring compressor broke after removing the second valve spring. They also say the rest of the kit is trash.
"I should have read the reviews. Absolute garbage. Used on the first spring and as soon as I snug it up, the claw broke in half. Do not buy." Read more
"i am licensed technician . and broke on first valve when trying to use it absolute garbage" Read more
"...This is supposed to compress a valve spring and it broke at like 5% of thesprong load it needed. Just cheap junk. Returned for my money back." Read more
"...compressed great, went to do the next and noticed that the spring compressor had cracked on the one side after compressing the second it broke..." Read more
Reviews with images

Except for the phaser holder, rest of kit is trash.
Top reviews from Canada
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- Reviewed in Canada on June 30, 2025Verified Purchaseit looks like it all should fit. i'm not done the job yet, the crank position bar fits correctly.
- Reviewed in Canada on January 10, 2025Verified PurchaseSpring compressor does work, but sloppy and jams up… nevermind.. shortly after wrote review the paper thin metal tabs broke on it. Crankshaft alignment tool would be more useful as a hammer than anything else. Tool puts crank keyway into 7 o’clock position, not in the critical 6 o’clock position also hole for block dowel not even close to being in right spot. Use it if you want to replace your engine.
1.0 out of 5 starsSpring compressor does work, but sloppy and jams up… nevermind.. shortly after wrote review the paper thin metal tabs broke on it. Crankshaft alignment tool would be more useful as a hammer than anything else. Tool puts crank keyway into 7 o’clock position, not in the critical 6 o’clock position also hole for block dowel not even close to being in right spot. Use it if you want to replace your engine.Except for the phaser holder, rest of kit is trash.
Reviewed in Canada on January 10, 2025
Images in this review
- Reviewed in Canada on September 25, 2024Verified Purchaseworked better than last kit i got. This cam phaser lock tool fit better
- Reviewed in Canada on March 17, 2025Verified PurchaseI should have read the reviews. Absolute garbage. Used on the first spring and as soon as I snug it up, the claw broke in half. Do not buy.
- Reviewed in Canada on February 7, 2025Verified PurchaseTools are made from a soft metal which causes the threads to strip and pieces to jamb while using them to extract roller followers. The small hole on the crank centering tool was too small to fit over the pin in the block and needed to be drilled out before using. Wedge tool worked great. it was a bad purchase unfortunately.
- Reviewed in Canada on August 19, 2024Verified PurchaseDid their job at a very decent price.
- Reviewed in Canada on November 18, 2023Verified PurchaseDid the job. Good fit
- Reviewed in Canada on April 20, 2024Verified PurchaseSeems like pretty good value.
Haven’t used them yet though