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Product Description
The Function of Valve Lifters
Valve lifters play a key role in the valvetrain of pushrod engines. A hydraulic tappet, also known as a hydraulic valve lifter or hydraulic lash adjuster, is a device for maintaining zero valve clearance in an internal combustion engine. The hydraulic lifter was designed to allow the valve train to operate with zero clearance—leading to quieter operation, longer engine life.
The hydraulic lifter in a car's engine uses oil pressure to adjust a plunger and take up all the clearance in the valve train. This helps to ensure less engine noise and longer reliability, due to less wear and tear.
Symptoms and Consequences of Failured Valve Lifters:
Symptoms
When the plunger inside of a lifter fails, it'll fail to maintain oil pressure and will remain in a collapsed state at all times, the lifter will fail to take up lash in the system, which causes parts inside to hammer against each other during initial contact. This hammering manifests as a very noticeable tapping that increases in volume and frequency with engine rpm. A bad lifter will throw off the affected cylinder's ability to move and burn air and fuel, which will typically lead to spark plug fouling and a miss on that cylinder.
Consequences
A collapsed lifter puts a great deal of stress on a vehicle's valve train. Collapsed lifters can easily bend pushrods, which will subsequently fall out of the space between the rocker arm and the top of the lifter. Once a push rod falls out of the space, the very least you can expect is a dead cylinder. Worst-case scenarios include broken rocker arms, broken valves, cracked heads, a damaged cam or complete engine destruction.
Customers can find the product you need accurately according to the OE number. Please check your OE number before order it !
- 53021726AE 53021726AD
- 53021720AB 53021720AD
- 53021720AE 53021720BB 53021572AC
The hydraulic lifter may be having problems with a sticking check valve, dirt, wear or other problems. A faulty hydraulic lifter will usually result in the rocker arm, valve tip and push rod also going bad if left unattended. If your car has the above symptoms, replace it as soon as possible to avoid further damaging your engine. Customers can find the product you need accurately according to the OE number.
- This Set of MDS Hydraulic Valve Lifter includes Intake valve lifter*2, Exhaust valve lifter*2.
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For the following years and models:2005-2013 300 C 5.7L, 2013 300 C Luxury 5.7L 2010,2012-2013 300 S 5.7L 2006 Dodge Charger Daytona R/T 5.7L 2006-2009,2011-2013 Dodge Charger R/T 5.7L 2011 Dodge Charger R/T Road and Track 5.7L 2008-2009,2011-2013 Dodge Charger SE 5.7L 2006-2008 Dodge Durango Adventurer 5.7L 2008 Dodge Durango SLT Plus 5.7L |
For the following years and models:2007 Dodge Durango SXT 5.7L 2008 Dodge Ram 1500 SXT 5.7L 2009-2010 Dodge Ram 1500 TRX 5.7L 2006-2010 Commander Limited 5.7L 2007-2009 Commander Overland 5.7L 2010 Commander Sport 5.7L 2010-2012 Grand Cherokee Laredo 5.7L 2006-2012 Grand Cherokee Limited 5.7L 2006-2009,2011-2012 Grand Cherokee Overland 5.7L |
For the following years and models:2006-2007,2009-2010 Dodge Ram 1500 (submodel: Sport, TRX4) 5.7L 2006-2009 Dodge Durango (submodel: Limited, SLT) 5.7L 2006-2010 Dodge Ram 1500 (submodel: Laramie, SLT, ST) 5.7L 2009 Dodge Durango (submodel: Limited Hybrid, SE) 5.7L 2010 Grand Cherokee (submodel: North Edition, S Limited) 5.7L 2011-2013 Dodge Durango (submodel: Citadel, Crew, R/T) 5.7L 2012 Grand Cherokee (submodel: Laredo X, Overland Summit) 5.7L 2012-2013 Dodge Durango (submodel: Crew Plus, Special Service) 5.7L |
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| Portable Tire Inflator | |
| Cable length: | About 3M |
| Output Voltage: | DC 12V |
| Max Inflatable Pressure: | 150PSI |
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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