Store Home Promotional Products Add to Favourites View response Contact UsWELCOME TO SINTLY
To be your most trusted full-line automotive parts partner, making professional-grade vehicle maintenance easy, efficient, and affordable.
Guaranteed Perfect Fit
Get the right part the first time with our OE-exact design.
Shop with Confidence
Enjoy fast, free shipping on everything, always.
Quality You Can Trust
Each component is thoroughly tested for reliability.
Long-Term Protection
Your purchase is backed by our 1-year warranty.
We're Here to Help
Reach out anytime for expert support. We reply in under 24 hours.
Store Categories
- A/C Compressor
- A/C Control Panel
- Bed Step
- Blower Motor
- Control Arm
- Door Handle
- Drive Shaft
- Engine Valve Cover
- Fuel Injector
- Fuel Pump
- Ignition Coil
- Ignition Coils & Spark Plugs
- Oil Filter Assembly
- Starter Solenoid Switch
- Throttle Body
- Variable Valve Timing Solenoid
- Water Pump
- Window Regulator
Return Policy
30 Days Free Return Around The USA
Shipping Policy
1 Business Day Handling Time
Reply Swiftly
24/7 Email Support
Operation in the USA
Ship From CA, GA
Payment MethodQ&AAre these coils & plugs all brand new?
100% new assembly, no recycled/rebuilt cores. Every unit passes strict factory tests before shipment.
How to confirm fitment for my vehicle?
Input your Year/Make/Model via fitment tool. Send your VIN for a free compatibility check.
What symptoms signal bad ignition parts?
Rough idle, engine misfires, sluggish acceleration, poor gas mileage, flashing Check Engine Light (P0300-P0308). Delayed replacement damages your catalytic converter.
Only one coil fails, do I need full set replacement?
Full set swap balances spark performance and cuts extra mechanic labor costs later.
Can I install this kit by myself at home?
Plug-and-play DIY design, only basic hand tools required. Step-by-step install images are in the listing gallery.
Will cheap generic coils harm my engine?
Yes. Low-grade coils create unstable spark & incomplete combustion, quickly wearing spark plugs, O2 sensors and catalytic converters.
Can I return the kit if it does not fit?
Unused, undamaged items are eligible for return under ’s official return policy. Please keep original packaging.
What support & warranty do you provide?
Free pre-order fitment check; 1-year warranty covers all manufacturing defects.
Shipping & delivery timeline?
Orders ship from California warehouse within 1 business day after payment. Transit time depends on local carrier & your location.
What’s the benefit of iridium spark plugs?
Laser-welded ultra-fine iridium electrode offers stronger spark, faster cold start, better fuel economy and 2–3x longer lifespan than standard nickel plugs.
Why purchase coils and plugs as a matched combo?
Pre-calibrated to OEM ignition standards. Mismatched aftermarket parts cause weak spark and premature failure; this bundle also saves your shopping time.
SINTLY 4x Ignition Coils + 4x Iridium Spark Plugs for FORD FOCUS TRANSIT CONNECTITEM DESCRIPTIONItem Type:Ignition Coils & Spark PlugsCondition:NewWarranty:1 YearQuantity Sold:4x Ignition Coil + 4x Iridium Spark PlugOE Number:4M5G12A366BC, DG507, DG541, FD505, C1453, SP493, AGSF32PM, SP479, AP104, 25332827, 25332828, 2885, BY485TR55X, XP605, SP541Attention:High Performance Iridium Spark Plugs, Better Ignition & Longer Lifespan Than Nickel Platinum Spark PlugsVEHICLE INFORMATION AllVehicleModel 4/5/04)FORDTRANSIT FORDVehicleModel 4/5/04)FORDTRANSIT CONNECT2010-20132.0L MAZDAVehicleModel MERCURYVehicleModel SPECIFICATIONSItem TypeIgnition Coil+Spark PlugsBrand TypeNewPackage Quantity1Packaging TypeBoxFitmentDirect ReplacementItem Type-1Ignition CoilColorBlackTerminal Quantity2Terminal TypePinPrimary Resistance(ohms)0.56Insulating Grease IncludedYesVoltage12VAttachment MethodBolt OnItem Type-2Spark PlugsCenter Electrode Core MaterialNickelCenter Electrode Tip MaterialIridiumGap Size (IN)1.195-1.305Thread Diameter (MM)14Hex Torque(N)15NPRODUCTION FEATURESOE-Quality Direct Replacement Ignition Coil & Iridium Spark Plug Kit:
Set of 4 coils + matching iridium spark plugs, plug-and-play installation, zero cutting or modifications.
Double-check vehicle compatibility via ’s fitment tool before checkout.
Upgraded High-Energy Ignition System:
Delivers stronger, consistent spark to fix misfires, rough idle, sluggish acceleration,
flashing check engine lights and poor gas mileage (DTC P0300-P0308).
Restores factory driving performance.
Heavy-Duty Heat & Oil Resistant Construction:
Full high-temp epoxy encapsulation blocks heat shock, motor oil erosion and vibration cracks for longer service life.
Heat-proof ceramic spark plug insulators hold up under harsh engine bay heat.
Pure Copper Windings with EMI Noise Shielding:
Precision copper coils with built-in anti-interference shielding,
steady voltage output without disrupting ECU, O2 sensors or onboard electronics.
Premium Laser-Welded Iridium Spark Plugs:
Ultra-fine iridium center electrode creates concentrated stable spark, easier cold startup, complete fuel combustion.
2-3x longer service life than standard nickel plugs, anti-carbon buildup and corrosion.
100% Brand New, Factory Tested with Warranty:
No rebuilt cores or recycled internal parts. Every unit passes high-voltage & thermal durability tests.
1-year warranty covers all manufacturing defects.
Package Included：
4 Ignition Coils + 4 Spark Plugs
Shipping Payment Return Contact Us
- Processing Time: All orders will be processed within 1 business day after your payment is completed.
- Shipping & Tracking: We offer Free Shipping to the domestic 48 states via USPS, FedEx, UPS, etc. A tracking number will be provided via message once shipped.
- Special Regions: Customers in Guam, Puerto Rico, Northern Mariana Islands, Virgin Islands, Marshall Islands, Alaska, or Hawaii, please contact us for a shipping quote.
- Exclusions: We do not ship to P.O. Boxes, APO/FPO addresses, or Military Mail Boxes.
- We accept secure payments via Managed Payments, Google Pay, and Apple Pay (device dependent). All available options will be displayed at checkout.
- Transactions are fully encrypted and protected by . For any issues, please contact us directly via the "Contact Seller" option.
- We offer free returns and exchanges within 30 days of delivery. Return shipping is paid by us via a prepaid return label. Items must be unused and in original packaging with tags attached. Refunds are processed within 2 business days of receipt, and replacements ship immediately after verification.
- To avoid unnecessary returns, please verify the OE number and vehicle model before purchasing. If you are unsure, feel free to contact us anytime.
- For any questions or assistance, please contact us via "Contact Seller". Our team is dedicated to providing prompt and accurate support.
WELCOME TO
SINTLY
Store Home Promotional Products Add to Favourites View response Contact UsGuaranteed Perfect Fit
Get the right part the first time with our OE-exact design.
Shop with Confidence
Enjoy fast, free shipping on everything, always.
Quality You Can Trust
Each component is thoroughly tested for reliability.
Long-Term Protection
Your purchase is backed by our 1-year warranty.
