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30-day refund/replacement
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Availability:
In Stock.
Arrives
Thursday, Oct 29
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At a glance
- Condition
- New
- Model
- 50-1000
- Dimensions
- 5.51 x 2.76 x 2.76 in
- Weight
- 480 g
- Material
- Plastic
- Fit Type
- Universal Fit
- Vehicle Service Type
- Gasoline-powered vehicles
- In the box
- kit includes fuel pumprubber sleeve and end capspre filterhoseclamps and flying lead
Features 6
- Designed for high output naturally aspirated and forced induction EFI vehicles and tested to flow 340 lph at 40 PSI
- 39 millimeter diameter fits most applications; Offset inlet design eases installation and each pump individually tested. Min Voltage Input - 6 volts. Max Voltage Input - 18 volts
- For gasoline vehicles (pump life may be diminished when used with E85 fuel); kit includes fuel pump, rubber sleeve and end caps, pre filter, hose, clamps and flying lead
- Power rating given at 43 PSI, 13.5 Volt at the pump with a BSFC of .5, flow capability for horsepower support is ultimately dependent on fuel hose diameter and system electrical voltage and amperage capabilities
- In-Tank design
- Fit type: Universal Fit
Description
AEM's High Flow In-Tank Fuel Pump is designed for high performance naturally aspirated and forced induction EFI vehicles. It delivers reliable performance and high volumes of fuel flow for roughly half the cost of comparable performance fuel pumps. The AEM High Flow In-Tank Fuel Pump flows 340 lph at 40 PSI and is capable of supporting over 1,000 horsepower at 43 PSI.
Specs 35
| Brand | AEM |
|---|---|
| Fit Type | Universal Fit |
| Vehicle Service Type | Gasoline-powered vehicles |
| Item dimensions L x W x H | 5.51 x 2.76 x 2.76 inches |
| Material | Plastic |
| Compatible with Vehicle Type | Gasoline-powered vehicles |
| Part Interchange Info | 50-1000 |
| Auto Part Position | Rear |
| Outlet Connection Type | 8 mm hose clamp. Offset |
| Inlet Connection Type | 7.7mm ID, 11.0mm OD. Offset Inline |
| Gas Type | Gasoline |
| Mounting Type | Tank Mount |
| Operation Mode | Automatic |
| Product Grade | Performance Part |
| Automotive Fit Type | Universal Fit |
| OEM Equivalent Part Number | 50-1000 |
| Connector Type | 6 mm Spade (pos/neg) |
| Item Dimensions | 5.51 x 2.76 x 2.76 inches |
| Item Weight | 480 g |
| Outlet Connection Size | 8 millimeters |
| Specification Met | Compliant with high-performance fuel flow and EFI vehicle standards |
| Product Style | Gerotor |
| Brand Name | AEM |
| Manufacturer Part Number | 50-1000 |
| Global Trade Identification Number | 73 |
| Unit Count | 1 Count |
| Manufacturer | AEM |
| Number of Packs | 1 |
| UPC | 608067875151 840879022273 |
| Number of Items | 1 |
| Item Type Name | AEM 50-1000 High Flow In-Tank Fuel Pump (340LPH) |
| Model Number | 50-1000 |
| Manufacturer Warranty Description | 1 Year |
| Material Type | Plastic |
| Body Material | Alloy Steel |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Thursday, Oct 29
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Best bang for your buck.
These are probably the best fuel pumps in this price range. I've used them on 4 LS swaps in squarebody Chevrolet trucks. Yeah they're not a direct fit wahhhh, this is a universal fuel pump. It works makes great fuel pressure.
Reviewed in the United States on July 23, 2025 by The Dude
fits 00 Jeep XJ 4.0 (stage 3 build)
Installed on 00 Jeep XJ 4.0 4x4...modified the stock baffle & it works like a charm. Noise level is minimal. The fuel economy seems to be the same, truly hi-flow though. Noticable increase in motor power considering Ive built the L6. Overall, excellent product. Tinker till success.
Reviewed in the United States on December 30, 2018 by Z
10 yrs in a K swap
After 10 years of constant use... Mine is finally checking out.. Worth it . Put in 2016 and now Feb.2026 I am finally experiencing fuel pressure loss. I had changed my Fuel Regulator diaphragm 3 days a go after fuel loss , but now I am experiencing pressure loss again. Like I said 2016 , I think it exceeded its life . Thank You AEM for a great product.
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Reviewed in the United States on February 13, 2026 by Hmm
Best pump for the price
This is a great in tank pump. Not too noisy and provides consistent, strong fuel pressure. Worked great for my application, LS Swapped a 1981 GMC K10. Will report back when I turbo the truck, curious to see how the pump will perform. Would definitely buy again.
Reviewed in the United States on October 15, 2016 by Amazon Customer
Been running strong for 3 years!! Fits SAAB 9-3 Aero
Bought this pump in 2017 and have been running it in my 2007 SAAB 9-3 Aero with the B284 engine for the past 3 years with no issues. Installed it myself in the driveway with hand tools. It was basically a drop in swap with the factory pump with 2 things to note: 1) You will need to get electrical tabs to connect to the the open wires on the AEM connector (or re-use the originals from the old pump if you are in a pinch which is not fun). 2) You must reuse the factory strainer filter as the supplied one doesn't fit properly. It's easy to clean out the old one so that's really a non-issue just something to note.
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Reviewed in the United States on May 3, 2021 by SJB
Durability & reliability? Nope.
This happen less than year. Tried reaching out but no response still. Car started losing rpm & pull over at gas station, heard a loud bang & car cut off. Check my aem regulator & now fuel pressure. Opened tank & saw this. Ran new wires & relays in my civic k20 build. Barely ran for 6 months. Have a Volt meter on car & was 13.7 to 14 so 1000% sure it was never a electrical issue. Got a dw pump & plugged straight in & started working. Pump quality & reliability is not the best.
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Reviewed in the United States on December 6, 2025 by Anson Jr
Good performance and thus far very reliable
Was a direct replacement although skinnier in diameter. If you are going to solder onto existing posts ensure you have a good soldering iron to save you some frustration you plan to cut and splice its very easy to do. sits in stock cradle and was an easy swap. for a novice the difficulty level is 2.5 out of 5 wrenches. for someone familiar with electronics and taking things apart its a simple task to complete. Pump is extremely quiet and provides smooth fuel flow.
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Reviewed in the United States on June 30, 2020 by Baz
Great pump
The hose that came with it blew up with in 5 days just use your original hose.
Reviewed in the United States on May 13, 2022 by Joshua mazon