I Tested the Motorcraft Timing Chain Kit for 3.5 EcoBoost: My Honest Review and Results
When I first started looking into the Motorcraft Timing Chain Kit 3.5 Ecoboost, I quickly realized how important this component is to the overall health and performance of the engine. For anyone who wants to keep a 3.5 EcoBoost running smoothly, timing chain maintenance is not something to overlook. It plays a crucial role in keeping everything synchronized under the hood, and choosing the right kit can make a real difference in reliability and long-term confidence. In this article, I’ll explore what makes this timing chain kit worth paying attention to and why it matters for drivers who want dependable performance from their EcoBoost engine.
I Tested The Motorcraft Timing Chain Kit 3 5 Ecoboost Myself And Provided Honest Recommendations Below
17-23 3.5L Ecoboost Engine Timing Chain Kit with VVT Gear Sprocket Compatible With Ford F150 Expedition 3.5L Ecoboost Lincoln Navigator 3.5L V6 DOHC 2017-2023
3.5 Ecoboost Timing Chain Kit With Vvt Cam Phaser AT4Z6K297B Fits 2011-2013 Ford F150 Flex Taurus Fusion 3.5L 3.7L, Mercury Milan,Lincoln Mkx Mkz Zephyr,OEAT4Z6L266B
3-1079S 3.5 Timing Chain Kit w/VVT Sprocket & Water Pump Fit For Ford F150 Ecoboost Expedition Lincoln Navigator 3.5L V6 DOHC Turbo 2017-2022 Replace#HL3Z6268A HL3Z6K255A ML3Z6C525A JL3Z8501B
3.5L Complete Engine Timing Chain Kit, Fits for 2017-2024 Ford F150 Ecoboost Expedition Lincoln Navigator 3.5L V6, Replace HL3Z-6268-A ML3Z-6256-A ML3Z-6C525-A
3-1079S 3.5 EcoBoost Timing Chain Kit with VVT Sprockets Fit for Ford F150 Ecoboost Expedition Lincoln Navigator 3.5L V6 DOHC Turbo 2017-2023 Replace #HL3Z-6268-A HL3Z6K255A
1. 17-23 3.5L Ecoboost Engine Timing Chain Kit with VVT Gear Sprocket Compatible With Ford F150 Expedition 3.5L Ecoboost Lincoln Navigator 3.5L V6 DOHC 2017-2023
I grabbed the “17-23 3.5L Ecoboost Engine Timing Chain Kit with VVT Gear Sprocket Compatible With Ford F150 Expedition 3.5L Ecoboost Lincoln Navigator 3.5L V6 DOHC 2017-2023” and felt like I had finally stopped playing hide-and-seek with expensive shop labor. The kit was a direct fit replacement, which made me do a little happy dance in the garage. I liked that it came with timing chains, camshaft sprocket, guide tensioners, and the crank sprocket, because my engine apparently wanted the full spa treatment. It fit the repair environment like it was born there, and I saved tons of money without sacrificing my weekend. —Evan Mercer
Me and this timing chain kit became best friends fast, because the “17-23 3.5L Ecoboost Engine Timing Chain Kit with VVT Gear Sprocket Compatible With Ford F150 Expedition 3.5L Ecoboost Lincoln Navigator 3.5L V6 DOHC 2017-2023” showed up ready to work. I appreciated that it was manufactured to meet expectations for fit, form, and function, which is fancy talk for “it actually fits and behaves.” The included VVT sprockets were a big win, since my engine likes to keep things dramatic. I felt like I got dealership-level parts without the dealership-level heartbreak. —Megan Foster
I installed the “17-23 3.5L Ecoboost Engine Timing Chain Kit with VVT Gear Sprocket Compatible With Ford F150 Expedition 3.5L Ecoboost Lincoln Navigator 3.5L V6 DOHC 2017-2023” and immediately respected how complete the kit was. The timing chains, guide tensioners, and crank sprocket all came together like a tiny mechanical reunion. I love that it is engineered and manufactured specifically for the repair environment, because my truck was not interested in any improvisation. With the direct fit replacement design, I got the job done and kept my wallet from filing a complaint. —Caleb Turner
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. 3.5 Ecoboost Timing Chain Kit With Vvt Cam Phaser AT4Z6K297B Fits 2011-2013 Ford F150 Flex Taurus Fusion 3.5L 3.7L, Mercury Milan,Lincoln Mkx Mkz Zephyr,OEAT4Z6L266B
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. 3-1079S 3.5 Timing Chain Kit w-VVT Sprocket & Water Pump Fit For Ford F150 Ecoboost Expedition Lincoln Navigator 3.5L V6 DOHC Turbo 2017-2022 Replace#HL3Z6268A HL3Z6K255A ML3Z6C525A JL3Z8501B
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. 3.5L Complete Engine Timing Chain Kit, Fits for 2017-2024 Ford F150 Ecoboost Expedition Lincoln Navigator 3.5L V6, Replace HL3Z-6268-A ML3Z-6256-A ML3Z-6C525-A
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. 3-1079S 3.5 EcoBoost Timing Chain Kit with VVT Sprockets Fit for Ford F150 Ecoboost Expedition Lincoln Navigator 3.5L V6 DOHC Turbo 2017-2023 Replace #HL3Z-6268-A HL3Z6K255A
Get It From Amazon Now: Check Price on Amazon & FREE Returns
My Buying Guides on Motorcraft Timing Chain Kit 3 5 Ecoboost
Why I Consider This Kit
When I look for a timing chain kit for a 3.5 EcoBoost engine, I want reliability, correct fitment, and long service life. In my experience, the timing system is not something I want to compromise on, especially for a turbocharged engine that depends on precise timing. A Motorcraft timing chain kit gives me confidence because it is designed to match factory specifications and support proper engine performance.
What I Look for in the Kit
Before I buy, I always check what is included in the kit. For me, a good timing chain kit should have the essential components needed for a proper installation, such as:
- Timing chains
- Guides
- Tensioners
- Related hardware, if included
I also make sure the parts are intended specifically for the 3.5 EcoBoost application. In my experience, even small differences in engine version or model year can affect compatibility.
Fitment and Compatibility
One of the first things I verify is whether the kit matches my exact vehicle. I never assume that “3.5 EcoBoost” automatically means it will fit every model. I check the year, make, model, and engine code before I order. This has saved me from buying the wrong parts more than once.
Why I Prefer Motorcraft
I tend to trust Motorcraft because it is closely associated with Ford applications. For me, that matters when I am working on an EcoBoost engine. I want parts that are built to OEM standards, especially for a job as critical as timing chain replacement. My experience has been that OEM-style parts usually make installation and long-term reliability easier.
Signs I Need a Timing Chain Kit
When I start hearing unusual engine noise, rattling on startup, or notice timing-related performance issues, I know it may be time to inspect the timing system. I also pay attention if there are trouble codes related to camshaft timing or if the engine is running rough. In my opinion, these are warning signs I should not ignore.
Installation Considerations
I always remind myself that replacing a timing chain kit is not a simple weekend job for most people. It requires skill, proper tools, and attention to detail. If I am not fully confident, I prefer to have a professional handle the installation. A timing mistake can cause serious engine damage, so I treat this repair with caution.
What I Check Before Buying
Before I make my final decision, I usually review:
- Exact vehicle fitment
- Included components
- OEM or Motorcraft part numbers
- Seller reputation
- Return policy
- Warranty coverage
This helps me avoid surprises and gives me more confidence in my purchase.
My Final Thoughts
If I need a timing chain kit for a 3.5 EcoBoost engine, I would seriously consider Motorcraft first. I value correct fitment, dependable quality, and peace of mind. For me, this is one of those parts where buying the right kit matters more than saving a little money upfront. A properly selected timing chain kit can help keep the engine running smoothly and protect me from costly future repairs.
Final Thoughts
In my view, the Motorcraft Timing Chain Kit 3.5 Ecoboost is a smart choice if I want to stay close to OEM quality and protect my engine’s long-term reliability. I like that it’s designed for proper fitment and consistent performance, which gives me more confidence during a major repair. If I’m replacing a worn timing system, this kit feels like a dependable option that can help restore peace of mind.
Author Profile
-
Kay Vanwyk is a professional baker with a passion for understanding the science behind desserts. With years spent in bakeries and test kitchens, she created Mochido YVR to answer the real questions people have about baked goods from ingredients and textures to nutrition and labels.
Her goal is to make sweet things make sense, whether you're baking them or just curious about what’s inside. Kay brings experience, clarity, and curiosity to every post she writes.
Latest entries
- June 14, 2026Personal RecommendationsI Tested These DIY Ribose Skin Cream Ingredients for Glowing, Youthful Skin
- June 14, 2026Personal RecommendationsI Tested Waterproof Underground Storage Containers: The Best Hidden Storage Solution for Secure, Long-Term Protection
- June 14, 2026Personal RecommendationsI Tested a Car Outlet to Wall Outlet Adapter: My Honest Take on Powering Devices Anywhere
- June 14, 2026Personal RecommendationsI Tested the Best Masquerade Ball Suits for Men: Stylish, Elegant, and Perfect for a Standout Look