OEM water pump w/plastic impeller or off brand with metal?

 · As for the water pump, get a metal one. I like HEPU brand the best (high quality German manufactured), but GRAF is alright as well. I have seen the OEM plastic piece fail many, many times. Often before 100k. The impeller splits in 2 and falls off the shaft causing overheat condition.

Water Pump-Composite or Metal Impeller | Bob Is The Oil …

 · Jan 16, 2018. #7. Metal is preferred but don''t buy a bottom of the barrel aftermarket water pump because it has a metal impeller. Most OEM water pumps have plastic impellers and in a well maintained system should not have any issues. Even metal impellers can fail too.

Pump Impellers – The Types & Their Impact | Castle Pumps

2021-9-22 · The impeller is the rotating component within the centrifugal pump design, which transfers the energy from the pump''s motor to the fluid. It is made up of vanes that come off an open inlet at the centre, known as the eye, which create a centrifugal force as they spin to move the liquid from the casing to the discharge point.

Water pump, and why not to buy steel impellers

 · Water pumps are a wink leak, in particular the bearing. unfortunately folks see chipped plastic impellers and think the plastic impeller is the problem. replaced with steel, bearings fail, and the steel impeller damages the block

Plastic vs. Metal Water Pump Impeller | BMW M5 Forum …

 · Plastic vs. Metal Water Pump Impeller. Jump to Latest Follow 1 - 5 of 5 Posts. D. dinan e39 · Registered. Joined Oct 11, 2007 · 12 Posts . Discussion Starter · #1 · Oct 2, 2008. Hey guys, Anyway to tell what year M5 came with what material impeller? ...

Metal vs plastic impellers in water pump

2002-10-16 · Metal vs plastic impellers in water pump. When I recently ordered a new pump, the BMW parts guy told me that they had replaced the metal impeller style back to a new plastic one, is this true? Would the part numbers have changed between versions... if so, what is the latest part number I should be looking for??? ...

Top 5 Reasons Not to use Bronze or Stainless Steel ...

2017-6-13 · 1.) Bronze and Stainless Steel Impellers and Pump Casings rapidly corrode and erode when exposed to corrosive mediums such as Seawater, Sewage, Waste Water, Chlorine, Bromine, and …

Pumps by Material

Pumps by: Material. Aluminum Aluminum Cast Iron Fitted Brass. Bronze Cast Iron Cast Iron Bronze Fitted. Plastic Plastic Fitted 304 Stainless Steel. 316 Stainless Steel 304 S.S. Plastic Fitted Nickle Plated. Aluminum Pumps. ALUMINUM is a non-ferrous metal, …

Dodge Cummins Water Pump Comparison

 · 2. Open vane, metal 3. Open vane, plastic/composite I''ve attached pictures of the 3 styles made by Murray, which appear to be spot on as far as replicating the OE style. At some point, I had my 08 Dodge 6.7L Cummins water pump fail, and was forced to replace it with an enclosed pump, as the parts store had nothing else.

Sump Pump Reviews: Plastic, Steel or Cast Iron? | U.S ...

2012-5-7 · Sump Pump Reviews: Plastic, Steel or Cast Iron? May 7, 2012 • By Matthew Stock with Barry Schilling. To continue our commitment to educating homeowners and consumers, Barry Schilling is hosting this series of videos on that most common piece of basement waterproofing equipment, the sump pump.To date, Barry has discussed:

Gates vs. Cummins Water Pump Comparison

2016-7-21 · Gates 41181 water pump with shielded impeller. The Gates pump uses a shielded impeller design which has a metal ring attached to it as well as a plate underneath the blades of the impeller. The weep hole has been relocated on the back …

Selecting the correct sewage pump impeller

2018-4-4 · The fundamental difference between a centrifugal sewage pump impeller and the clear water impeller is the former''s ability to pass solid material that would cause a clog in the latter. Although the mathematics that define the operation of an impeller …

Water Pump (w/ Metal Impeller)

2020-6-3 · This water pump is an upgrade over the factory pump due to the metal impeller. The factory pump is a common failure part on these vehicles due to the plastic impeller warping and siezing over time due to the excessive heat. Manufactered by …

Water Pump Resources

New vs. Remanufactured Pumps; Standard vs. Reverse Rotation Water Pump; The Volkswagen Impeller Debate: Plastic or Metal? Automotive Water Pump Components; What are Weep Wells? Why Do Water Pumps Fail? Service Bulletins. Cadillac Automotive Water Pump Installation Procedures – 4.1L, 4.5L and 4.9L (1985-1995)

Metal or Plastic Impeller? | Jeep KJ and KK Liberty Forum

 · I have to purchase a new water pump for my 2010 Jeep Liberty with a 3.7 cu . engine. While on line I see that they make the water pump with a plastic or metal impeller. So does the OEM part come in plastic or metal impeller? Which is the better water pump? Thanks in advance.

OEM plastic water pump impeller VS Geba OEM Metal …

OEM plastic water pump impeller VS Geba OEM Metal impeller 05-23-2020, 06:47 PM. I remember this has been discussed on the Old forums but my memory doesn''t serve me correctly on what the debate was between the plastic impeller VS the metal impeller? FCP Euro listed Geba with …

"Water Pumps" plastic, metal or composite Impellers ...

 · Having a WP with a metal impeller vs. composite or plastic (they are the same) does not stress the bearing any more than the other, it''s the load put on the shaft of the WP that wears out the bearing from the all the accessories that are driven by the the belts or over by over tightening the belts. BMW uses belt tensioners to ensure the load is ...

Water Pump

 · Water Pump - Metal Impeller VS Plastic. Thread starter R4cup; Start date Jun 29, 2010; Forums. SEAT car forums. Ibiza. Ibiza Mk3 (2000-2002) . R4cup Beef NO Burger. Jul 28, 2006 1,757 6 In the garage. Jun 29, 2010 #1 My car is currently off the road due to needing a water pump. I have already gone out & purchased a pump with metal Impeller but ...

The Volkswagen Impeller Debate: Plastic or Metal?

 · The old BMW water pumps had orange or black plastic impellers that were prone to breaking. The newer BMW water pumps have a fiber-resin composite impeller that looks like black plastic, but is much less prone to breaking; however, the stigma of the "plastic impeller" has persisted. Many aftermarket water pumps (such as Graf, I think) have metal ...

Waterpump

 · I need to replace the pump on my 95 RMW and want to go AC delco. I see rock auto has 2 pumps listed for my car. One mentions a stamped steel impeller with the same P/N as in the sticky, costs $176 and says OE design. The other is also a Delco (88926214) that costs $82, but mentions it has a cast iron impeller.

Plastic vs. Brass Water Pump Impeller | TDIClub Forums

 · If you are replacing water pumps every 100,000 miles max then an epoxy impeller is likely tough enough. If you want it go beyond the TB change ( not advisable IMO) then the brass impeller water pump is still desired. By the way the core market for the metal impeller water pump is the VR6. No timing belt change to piggy back water pump ...

Plastic Shards in Metal Impeller Water Pump?

 · The plastic impeller will also have less cavitation due to its shape and edge on the blades. This means 2 things. 1) Decreased about of energy needed to rotate the pump (more HPs) 2) Less wear on the blades. The metal castings are prone to pitting on …

Plastic v metal impeller water pump?

 · Inlet manifolds are obviously made from plastic to save weight, be thankful you don''t own a where the inlet actually rot. On a BMW it is less harmful to have a metal water pump as they are never cambelt driven on any model in the last 20 years. The plastic water pump blades are however designed to fail safe where as metal won''t

Metal or plastic impeller water pump? Which one is best ...

 · Registered User. Apr 11, 2011. #3. Metal impeller is the best for the water pump as its stronger and the plastic one shreds away also VW and Audi don''t stock it!

Plastic Vs. Cast Iron Pumps

Pump Durability & Lifespan. Both plastic and cast-iron sump pumps will show signs of wear and tear over time. Plastic pumps can yellow and crack, while cast-iron systems may corrode. It''s important to remember that plastic sump pumps will also generally …

8 Best Well Pumps: Reviewed For Shallow & Deep Wells …

2020-12-12 · This is a single stage water pump with a one horsepower jet pump. It is designed to pump water from high water table wells with water located 25 feet or less from the pump vertically. With a 10.8 GPM flow rate, this machine is ideal for small houses, farmlands, livestock feeding, and cabins.

The Volkswagen Impeller Debate: Plastic or Metal?

2019-12-30 · a metal impeller instead of plastic. Volkswagen''s OE water pump has always been manufactured with a plastic impeller. Originally the impellers were molded from a nylon-based plastic. Over time, it was discovered that the nylon material was not compatible with all types of antifreeze, resulting in premature pump failure and system contamination.

Centrifugal Pumps Selection Guide: Types, Features ...

2020-8-24 · Centrifugal pump selection is defined by a few key specifications, including flow rate, head, power, and efficiency. Flow rate describes the rate at which the pump can move fluid through the system, typically expressed in gallons per minute (gpm). The …

Plastic vs. Iron Sump Pumps

2016-8-18 · While cast iron pumps may erode, plastic pumps may start to turn yellow and brittle. It is important to know that plastic sump pumps typically have a plastic impeller. The impeller is the part that pushes the water through, pressurizing it and sending it through the discharge outlet.

Water pump choice ? Steel vs plastic . | Ford Powerstroke ...

 · So does the DieselSite water pump come with a metal impeller or is it plastic. I see you said it was stamped. Is BPD the only company with metal impellers for the early 2003 6.0 or does it not matter about the year. I figured a 6.0 no matter year the water pump would fit.