Dayco®Verified to fit 27 vehicles
| Vehicle | Trim | Engine | Notes |
|---|---|---|---|
| 2004 Ford Mustang | — | V8 4.6L | —View details |
| 2003 Ford Mustang | — | V8 4.6L | —View details |
| 2002 Ford Mustang | — | V8 4.6L | —View details |
| 2002 Mercury Grand Marquis | — | V8 4.6L | Note: Complete SetView details |
| 2001 Ford Crown Victoria | — | V8 4.6L | Note: Complete SetView details |
| 2001 Ford Expedition | — | V8 4.6L | Note: Plastic Tensioner|Sprockets IncludesView details |
| 2001 Ford Mustang | — | V8 4.6L | —View details |
| 2001 Mercury Grand Marquis | — | V8 4.6L | Note: Complete SetView details |
| 2000 Ford Crown Victoria | — | V8 4.6L · CNG | Note: Complete SetView details |
| 2000 Ford Expedition | — | V8 4.6L | Note: Complete SetView details |
| 2000 Ford Mustang | — | V8 4.6L | —View details |
| 2000 Mercury Grand Marquis | — | V8 4.6L | Note: Complete SetView details |
| 1999 Ford E-150 Econoline | — | V8 4.6L | Note: Complete SetView details |
| 1999 Ford Expedition | — | V8 4.6L | Note: Complete SetView details |
| 1999 Ford F-150 | — | V8 4.6L | Note: Complete SetView details |
Interchange Checker
Enter the number off your old part, a competitor listing, or the dealer part — we'll check the fitment.
This part is listed as interchangeable with these numbers:
WARNING: Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, known to the State of California to cause cancer and reproductive harm. Service the vehicle in a well-ventilated area, wear gloves, and wash your hands. See www.P65Warnings.ca.gov/motor-vehicle-parts
Guaranteed fit — or free return
Currently out of stock
Guaranteed to fitFits your vehicle or we pay the return. Learn more
If a part we confirmed for your vehicle does not fit, we cover the return shipping and refund you in full. That is the fitment guarantee.
Free Returns if it doesn't fitRead Details
Nobody likes buying a part that turns out to be wrong. So if it doesn't fit, send it back for a full refund at no cost to you — return shipping is on us — and we'll help you get the right one.
AutoBuffy 24-month guaranteeCovered on this part, unlimited miles. Learn more
Every part is covered for 24 months. Many brands add their own manufacturer warranty on top.
4.9/5 ratingFrom 19,069 verified customers. Learn more
Ratings come from verified AutoBuffy buyers after delivery — no imported or paid reviews.
The brand behind your
Engine Timing Chain Kit
Dayco builds this Engine Timing Chain Kit to original-equipment standards.
Brand-first. Fitment-obsessed.
We do not list every part on earth — just the brands automakers actually trust. And we use AI to double-check not just the fitment but the product details on every listing, because we hate buying the wrong part as much as you do.
Top curated brands only
The brands automakers actually put on the car. No white-label mystery boxes.
We're obsessed with fitment
Year, make, model, trim, engine — plus the fine print most sites skip — so it fits the first time.
Search any part number
The number off your old part, a competitor listing, or the dealer part — we cross it and confirm the match.
Dayco Engine Timing Chain Kit - KTC1377
Out of stock · guaranteed fit or free return
Dayco Engine Timing Chain Kit - KTC1377
FREE delivery between Tue, Oct 20 to Tue, Oct 20
Ships To:Key Features
About This Engine Timing Chain Kit
This DAYCO automotive component is engineered to meet or exceed OEM specifications for reliable performance and long service life.
Key Features
- Meets or exceeds OEM specifications
- Direct-fit replacement design
- Rigorously tested for durability
- Professional-grade construction
- Backed by manufacturer warranty
Signs This Part Needs Replacement
- •Unusual noises from the component area
- •Decreased vehicle performance
- •Warning lights on dashboard
- •Visible wear or damage
- •Failed vehicle inspection
DAYCO
Trusted Automotive Brand
DAYCO is a trusted manufacturer of quality automotive parts.
View all DAYCO productsInstallation Guide
Tools Needed
Frequently Asked Questions
The brand behind your
Engine Timing Chain Kit
Dayco builds this Engine Timing Chain Kit to original-equipment standards.
The Dayco Engine Timing Chain Kit (KTC1377) is a direct-fit replacement for 1997-2004 Ford and Mercury vehicles. It cross-references 1L2Z6K297AA, 1L2Z6K297BA, 1L2Z6L253AA, 1L2Z6L253BA, 4R3Z6B274BA and more. UPC 070964340931. Ships free.
About This Product
Engine Timing Chain Kit
The Dayco Engine Timing Chain Kit (KTC1377) is a direct-fit replacement for 1997-2004 Ford and Mercury vehicles. It cross-references 1L2Z6K297AA, 1L2Z6K297BA, 1L2Z6L253AA, 1L2Z6L253BA, 4R3Z6B274BA and more. UPC 070964340931. Ships free.
This DAYCO automotive component is engineered to meet or exceed OEM specifications for reliable performance and long service life.
Key Features
- Meets or exceeds OEM specifications
- Direct-fit replacement design
- Rigorously tested for durability
- Professional-grade construction
- Backed by manufacturer warranty
Signs This Part Needs Replacement
- Unusual noises from the component area
- Decreased vehicle performance
- Warning lights on dashboard
- Visible wear or damage
- Failed vehicle inspection
Brand-first. Fitment-obsessed.
We only sell brands automakers trust, and we double-check the fit on every listing.
Top curated brands only
The brands automakers put on the car.
Obsessed with fitment
Year, make, model, trim, engine, plus the fine print.
Search any part number
Your old part, a competitor, or the dealer #. We confirm the match.
Shop owner? Get BuffyPro business pricing
Fitment Obsessed
Every part checked against your exact year, make, model, trim, and engine.
Wrong Fit? On Us.
Free return shipping, no restocking fee — the fitment guarantee.
Brands OEMs Trust
The names automakers actually put on the car.
Millions of Parts, One Promise
If we say it fits, it fits.