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NHTSA ID Number: 10183567
Manufacturer Communication Number: SSM 49318
Summary
For 2011-2020 F-150/Mustang
vehicles equipped with a 5.0L engine when installing a replacement secondary timing chain tensioner (6K254) or secondary timing chain guide (6K297), it is necessary to replace both components as a pair, using the latest level parts. Make sure to use secondary timing chain tensioner part number ML3Z-6K254-A and secondary timing chain guide part number ML3Z-6K297-A.
20 Affected Products
Vehicles
APPLICABLE VEHICLES
2011 – 2014 TRUCK: F6 F150/LINCOLN MARK LT
2018 – 2020 TRUCK: FC P552N F-150
2015 – 2017 TRUCK: FC P552N F-150
2012 – 2013 CAR: ZF S197N MUSTANG
2011 – 2014 CAR: ZF S197N MUSTANG
2019 – 2020 CAR: ZG S550N MUSTANG
2015 – 2020 CAR: ZG S550N MUSTANG
1 Associated Document
Manufacturer Communications
SSM 49318 – 2011-2020 F-150/Mustang – 5.0L – Updated Secondary Chain Tensioner Service Part Compatibility
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Castrol GTX Full Synthetic 5W-30 Motor Oil, 5 Quarts
- 6X better wear protection on critical engine parts than industry standards**
- 1.3X better sludge protection than industry standards*
- 3X Stronger against viscosity breakdown than leading full synthetic^
- Protection for 10,000 miles between oil changes
- Meets or exceeds the following specifications: API SP/SN PLUS/SN | ILSAC GF-6 | GM dexos1 Gen 3 | Meets Ford WSS-M2C946-B1 | Meets Ford WSS-M2C961-A1 |
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- Advanced protection against the four main causes of engine breakdown: wear friction heat and deposits
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- 40% better wear protection vs. industry standards as tested in the Sequence IVB engine test
- 25% better deposit protection with superior engine cleaning detergents as tested in the GMOD engine test
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- Meets or exceeds the following specifications: API SP/SN PLUS/SN/SM | ILSAC GF-6 | Meets Ford WSS-M2C946-B1 | Meets Ford WSS-M2C961-A1 | * Based on API and ACEA volatility specifications | ** In 5W-20, 5W-30 and 10W-30 grades versus industry specifications
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- Viscosity breakdown as measured in Kurt Orbahn test on 5W-30 grade |**As measured in Seq IX test under high load/torque conditions vs. API SP test limits | ***Or one year, whichever comes first
Last update on 2025-04-19 / Affiliate links / Images from Amazon Product Advertising API
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