The Nissan 2.5L, model QR25DE engine has been around for 22 years as it was initially introduced in 2001. While it is known as a dependable, powerful engine, like most other engines on the market, it is not without the occasional performance issues. Thankfully, these engine glitches are easily discovered and can be repaired before they cause irreparable damage. Engine retailers like reman-engine.com have seen these problems over and over again.
Mobil 1 Advanced Fuel Economy full-synthetic motor oil 0W-20 is low-viscosity to help improve fuel economy.*
Utilizes Mobil 1’s signature Triple Action Formula to deliver outstanding engine performance, protection, and cleanliness
Helps protect critical engine parts for up to 10,000 miles between oil changesm,** controlling oxidation to prevent oil breakdown and maintaining excellent viscosity
Meets ILSAC GF-6 standards to help provide low-speed pre-ignition (LSPI) and timing chain wear protection while keeping your engine clean
Helps extend engine life by working to prevent damaging deposits and sludge buildup
【Interchange Part Number】: (Engine Oil Filter) 15208-9E01A 152089E000 15208-31U0A and 15208-9E000 (Drain Plug Gasket) 11026-JA00A. It is important to verify that the part number of what you are ordering applies to your vehicle. This way you can be sure that you are getting the right part
【Features 】: (Engine Oil Filter) Original part made with a unique blend of natural and synthetic materials in the media for better oil filtration and enhanced engine protection. (Drain Plug Gasket) High quality and durable part made of aluminum, fixed same as OEM
【Package Includes】: Three (3 pcs) engine oil filter and three (3pcs) drain plugs gaskets
【Recommendations】: It is recommended to replace filter at the time of changing the car's oil, at least once a year. By changing only the oil without replacing the filter, you will only mix a clean lubricant with a dirty one, affecting its performance. Before making the purchase, FIRST CONSULT your trusted MECHANIC to make sure it is the part you need
【Compatible with】: Nissan Infiniti A32 2003-1995, Maxima 2002-1994, Altima 2006-1997, Pathfinder 2010-1995, Pickup 2010-1997, A32 2010-1994 See more on our description below
TOP QUALITY / GUARENTEED【Interchange Part Number】: (Engine oil filter) 1520865F0E, 15208-65F00, 15208-65F01 and 15208-65F0D. (Drain plug gasket) 11026-JA00A.
【Features】: (Engine oil filter) Original part manufactured with a unique blend of natural and synthetic materials in the filter media for better oil filtration and increased engine protection. (Drain plug gasket) High quality and durable part made of aluminum, fixed the same as OEM.
【Package Includes】: Package of 8 x 3 x 3 x 3 x 3 in. with three (3 pcs.) OEM 15208-65F0E engine oil filters and three (3 pcs.) pieces of 4STEED MOTORS 11026-JA00A drain plug gasket
【Recommendations】: Before making the purchase, FIRST CONSULT your trusted MECHANIC to make sure they are the parts you need and check in the table below the compatibility and the workshop of your vehicle with the product
【Compatible with】: Rogue Sport, Frontier, Pathfinder, Quest, Murano, Titan, Sentra, Versa, Juke, 370Z, Armada, Altima, NV 200 y otros (ver descripción más abajo). (INFINITI) FX35, EX35, EX37, FX37, G20, G25, G35, G37, I30, I35, JX35 y otros (ver descripción más abajo o garaje)
Package Dimensions :6.35 Cm L X11.43 Cm W X16.256 Cm H
Country Of Origin :United States
Package Weight :5.0Lbs
Since the Nissan 2.5 engine was originally manufactured and introduced, the 2.5L engine has gone through several upgrades, which helped the engine’s performance on the road.
Upgrades made to the engine increased fuel efficiency and engine consistency/reliability. Enhancements were also made to reduce engine emissions and improve the overall performance of the engine.
Some of the latest upgrades made to the newest model QR25DE engine (upgrades effective in 2007 and newer models) include:
A wider diameter intake manifold
Updated piston shape which helps to support higher compression
Cam profile upgrades
Piston, bearing, and additional coatings to reduce friction and heat when in use
Extra engine mount for added security
Higher resolution and horsepower for a more reliable and powerful engine
Features of the Nissan 2.5 engine:
Here are some of the specs found in the popular Nissan Altima engine:
It was introduced to the marketplace in 2001.
It offers between 175 to 182 horsepower, which varies depending on the model and year.
It has around 180 Torque.
It comes with a DOHC Valvetrain design to support consistent, reliable performance.
Features Inline-4 configuration.
It is manufactured with reliable aluminum block and head materials.
It has a 5:1 to a 10.5: 1 compression ratio.
Frequent Issues (and Repair Suggestions) with the Nissan 2.5L Engine:
While it is considered to be one of the most reliable engines currently being used, there have been some issues, which occurred primarily on engines built from 2002 through 2006, which used early design concepts.
The company analyzed the engine after preliminary issues with earlier models and since 2007, there have been very few issues since the redesign.
According to TuningPro.com and others, here are a few of the issues that some Nissan owners may experience:
Issue: Exhaust manifold which uses pre-cat (pre-catalytic converters): This can break and cause damage to the engine because the materials used are not as sturdy as required.
Solution: Installing an affordable aftermarket exhaust manifold and adding a heat shield.
Issue: Intake and power valve screws: This issue is most often seen in Sentra and Altima models. These screws can enter the engine damaging the walls or head of the cylinder as well as the catalytic converter.
Solution: The company redesigned the screws to correct the issue. These new “butterfly” screws offer a long-term repair for models made from 2002 through 2005.
Issue: Oil leaks: Like many vehicle engines, the older they get, the more they may experience leaks. In the 2.5L engine, the key area for leaks is the valve cover gasket, which is made from a rubber-type material, which can falter when it is exposed to extreme heat.
Solution: When leaks occur, replace the cover gasket.
Issue: Timing chain tensioners can become faulty: This is a rare occurrence in the 2.5L engines, but may occur. This could lead to the timing chain faltering, resulting in loss of engine power and overall poor performance.
Solution: Have your timing chain checked. If it shows wear, you may need to have the timing belt or tensioners replaced
