Manufacturer | OTC |
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Brand | OTC |
Item Weight | 9.6 ounces |
Product Dimensions | 15 x 12 x 4 inches |
Item model number | 6550PRO |
Is Discontinued By Manufacturer | No |
Exterior | Smooth |
Manufacturer Part Number | 6550PRO |
OEM Part Number | 6550PRO |
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92% positive over last 12 months
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OTC 6550PRO Professional Master Fuel Injection Service Kit
Purchase options and add-ons
Brand | OTC |
Item Dimensions LxWxH | 15 x 12 x 4 inches |
Item Weight | 0.6 Pounds |
About this item
- Perform fuel pressure testing diagnose weak fuel pumps or restricted filters test for fuel flow and perform leak-down tests
- 0-100 pounds per square inch fuel pressure Gauge
- 47 OTC fuel injection system adapters each with a quick connect Schrader Valve
- 1997-2008 fuel injection service application manual
- Replacement seal kit
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This Item OTC 6550PRO Professional Master Fuel Injection Service Kit | Recommendations | dummy | dummy | dummy | |
Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | |
Price | $735.02$735.02 | $70.99$70.99 | -42% $326.34$326.34 List: $559.95 | $121.99$121.99 | $49.46$49.46 |
Delivery | Get it Mar 25 - 26 | Get it as soon as Sunday, Mar 24 | Get it as soon as Sunday, Mar 24 | Get it as soon as Sunday, Mar 24 | Get it as soon as Sunday, Mar 24 |
Customer Ratings | |||||
Accuracy | 5.0 | 4.2 | — | 4.5 | 4.4 |
Value for money | 4.4 | — | — | 4.1 | 4.2 |
Easy to read | — | 4.2 | — | 3.2 | 4.5 |
Sold By | Tooldom Tools | LainKeen | Amazon.com | Amazon.com | Amazon.com |
material | — | Rubber | — | Rubber | Rubber, Brass |
weight | 0.6 pounds | — | 0.1 pounds | 2.22 grams | 1 grams |
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From the manufacturer
Steve Cross
Drop Forge Operator of 40 years
“I’M PROUD OF THE OTC BRAND. I’M MAKING A BRAND THAT’S BEEN AROUND A LONG TIME. ANY GUY THAT’S WORKED ON A CAR HAS HEARD OF THE OTC BRAND, AND THEY PROBABLY HAVE USED IT.”
At OTC, we're proud of our heritage and those that have built it with us.
OTC - Proudly Serving Professional Technicians for Almost a Century
What We Like Most About Technicians is Their Work Ethic
Technicians are problem solvers who aren’t afraid of sweat on their brow and grease on their hands. They provide high quality services that demand high quality tools. When they need a reliable tool, they know they can depend on OTC tools to deliver.
Owatonna Tool Company for the long haul — proudly designing and manufacturing American specialty service tools, diagnostics and shop equipment since 1925.
- Automotive Specialty Tools
- Heavy Duty Truck Service Tools
- Heavy Duty Shop Tools
- Motorcycle Tools
- Electronic Diagnostic Tools
- and so much more
Product Description
This Professional Fuel Injection Master Fitting Kit from OTC puts a full coverage fuel system service kit in your toolbox and greater service opportunities in your shop. This kit from OTC comes with an analog fuel pressure gauge preferred by professional service technicians giving precise pressure readings as well as a view of pressure sweeps during the testing analysis. The pressure testing manifold is designed with a bypass valve letting the technician perform basic fuel flow assessments. The 6550PRO has more adapters than any other kit we’ve found giving the best coverage of any kit on the market. Domestic, Asian and European we’ve got ‘em. Each adapter works with schrader valve fittings to ensure user safety by preventing fuel spray when connecting or disconnecting the pressure gauge (included) the fuel line, or an accessory like a cleaning canister. All seals and o-rings in the 6550PRO from OTC are made with highly durable Viton material to prevent swelling or cracking when exposed to gasoline, alcohol blends and even the most aggressive injector cleaning chemicals. It comes with an application manual showing technical references for make/model/year, engine for vehicles produced between 1997 and 2008 inclusive. We include fuel Injection system, OE Fuel Pressure ranges, Fuel Pump Access point and disabling reference, OTC adapter reference and fuel line access locations for virtually full vehicle coverage.
Product information
Technical Details
Additional Information
ASIN | B002LPFCBY |
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Customer Reviews |
4.4 out of 5 stars |
Best Sellers Rank | #1,196,319 in Automotive (See Top 100 in Automotive) #315 in Fuel Pressure Testers |
Date First Available | July 7, 2004 |
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the quality, value, performance, and ease of use of the OTC6550 Pro Fuel Injector Testing Kit. They mention that the pieces are well made, the adapters are easy to use, and the guage is accurate and fine enough in the 0-10 psi range. They also appreciate the comprehensive manual that comes with it, which is a huge time saver. Overall, customers recommend this kit as an absolute necessity for any professional tech.
AI-generated from the text of customer reviews
Customers are satisfied with the quality of the electromechanical gauge. They mention that the pieces are well made, and the connections have been tight with no leaks. The kit is complete and has everything they need.
"...The pieces are well made and connections have been tight with no leaks.This unit sells in many places for over $400...." Read more
"...All the fittings are well made, no leaks, the guage is large, accurate and fine enough in the 0-10 psi range that it still works well as a low..." Read more
"...OTC's quality for this kit is very good. Fittings are brass and valved. Quick disconnects are high quality too. The OTC 6550PRO is the way to go...." Read more
"Great set, very complete, This set appears high quality however one of the hoses fell off my bench and the quick connect sleeve bent enough that I..." Read more
Customers are satisfied with the value of the electromechanical gauge. They say it's a great deal for the price, and well worth it. Some mention that the fittings are quality.
"...Great pricing through Amazon.com, I would buy it again in a second." Read more
"...I paid just under $300 and it was well worth it. The ONLY complaint I have is that there needs to be more early Porsche adapters for CIS systems...." Read more
"...Has all connectors that u need and half the price of strap on uhh I mean snap on. I would recommend buy otc tools anytime...." Read more
"I purchased this kit for my shop and it has been worth every penny...." Read more
Customers like the performance of the electromechanical gauge. They mention that it works as expected, is easy to use, and has plenty of adapters. Some say that the guage is large, accurate, and fine enough in the 0-10 psi range.
"...update 5/27/2020. Still using this weekly and it is still working great. It has paid for itself many times over since purchasing it in 2013 for $281...." Read more
"...fittings are well made, no leaks, the guage is large, accurate and fine enough in the 0-10 psi range that it still works well as a low pressure..." Read more
"...This kit works perfectly with the injector cleaner canister, too." Read more
"...the line out then i can use it to get a flow reading but it doesn't work every time...." Read more
Customers are satisfied with the manual that comes with the product. They mention that it is very comprehensive, and they like the application book.
"...The included book is very detailed with vehicle fuel system pressures through MY 2008...." Read more
"...Also, the reference book is super handy and a huge time saver! This kit works perfectly with the injector cleaner canister, too." Read more
"...The included book is also highly useful as it gives model specific tips for fuel pressure ranges as well as fuel pump disable method...." Read more
"...kit, commercial quality, best price around and even had the most updated application book which was not listed in the details." Read more
Customers find the electromechanical gauge easy to use. They mention that the manual makes adapter use easy, and the hose whip adapter makes hookup on some applications so much easier. The book is super handy and a huge time saver, and it is an absolutely necessary tool.
"...adapter and a straight hose whip adapter, this makes hookup on some applications so much easier...." Read more
"...Also, the reference book is super handy and a huge time saver! This kit works perfectly with the injector cleaner canister, too." Read more
"...Quick easy and complete. With the guide it is easy to figure out what fitting for what car and it includes the specs." Read more
"...Parts are a high quality like all otc products are. The manual makes adapter use easy." Read more
Customers are satisfied with the leakage of the electromechanical gauge. They mention that the fittings are well made, and the connections have been tight with no leaks.
"...The pieces are well made and connections have been tight with no leaks.This unit sells in many places for over $400...." Read more
"...All the fittings are well made, no leaks, the guage is large, accurate and fine enough in the 0-10 psi range that it still works well as a low..." Read more
"...No leaks and was easy to connect and disconnect." Read more
"...Read a few reviews and no problems with mine. No leaking pressure or anything. Going to buy the fuel cleaner tank to go with." Read more
Customers like the connectivity of the product. They mention that the quick disconnects are high quality and it's easy to hook it up to a vehicle.
"...Fittings are brass and valved. Quick disconnects are high quality too. The OTC 6550PRO is the way to go. I wouldn't buy the smaller OTC kits...." Read more
"...Tried using this and was way easier with the quick disconnects and was able to hook it up to a 92 ford ranger...." Read more
"It's a great kit to have. Has the quick disconnect fuel lines I need an much more, I have recommended this set without hesitation." Read more
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After searching around and talking to a few other techs, I decided on the OTC 6550Pro based on their recommendations.
I have had it about two weeks and so far, it has not let me down.
The included book is very detailed with vehicle fuel system pressures through MY 2008.
The pieces are well made and connections have been tight with no leaks.
This unit sells in many places for over $400. Best price found was on Amazon.
If you are tired of having an incomplete fuel service kit, buy this one. You won't be disappointed.
Update: 6/3/2018: The pressure gage recently quit working properly so I ordered a replacement. I have been using this since I order it in 2013 and it still is working great. I see the price has gone up a lot since I ordered it in 2013 and paid only $281. Still a great complete set
update 5/27/2020. Still using this weekly and it is still working great. It has paid for itself many times over since purchasing it in 2013 for $281. Highly recommend
Tried using this and was way easier with the quick disconnects and was able to hook it up to a 92 ford ranger. No leaks and was easy to connect and disconnect.