Sealey Ct955 Petrol Engine Compression Test Kit 8Pc : ��غ��.co.uk: Automotive

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Brand	Sealey
Material	Polycarbonate
Item dimensions L x W x H	21.1 x 30.8 x 5.9 centimetres
Item weight	939 g
Global Trade Identification Number	05024209036573

About this item

Features:Compression tester fitted with �63mm gauge reading up to 300psi (20kg/cm�)
Kit includes 130mm straight and angled push-on connectors, 400mm flexible extension with 10, 12, 14 and 18mm adaptors
Supplied in storage case
Specifications:Model No: CT955Contents: Adaptors; 10, 12, 14 & 18mm, Straight & Angled Push-On Connectors, 400mm Flexible Extension, �63mm Gauge (300psi(20kgcm�))Height: 211Width: 308Length: 59

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94% positive ratings from 5K+ customers

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This item: Sealey Ct955 Petrol Engine Compression Test Kit 8Pc

£38.27

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Sealey CT955 8pc Petrol Engine Compression Test Kit

Compression tester fitted with Ø63mm gauge reading up to 300psi (20kg/cm²).
Kit includes 130mm straight and angled push-on connectors, 400mm flexible extension with 10, 12, 14 and 18mm adaptors.
Supplied in storage case.

Specifications

Contents: Adaptors; 10, 12, 14 & 18mm, Straight & Angled Push-On Connectors, 400mm Flexible Extension, Ø63mm Gauge (300psi(20kg/cm²))

Nett Weight: 1.17Kg

Product information

Technical Details

Manufacturer

‎Sealey

Brand

‎Sealey

Model

‎CT955

Product Dimensions

‎21.1 x 30.8 x 5.9 cm; 938.94 g

Item model number

‎CT955

Manufacturer part number

‎CT955

OEM Part Number

‎CT955

Item Weight

‎939 g

Additional Information

ASIN

B000R9ZK5O

Customer Reviews

4.4 254 ratings

4.4 out of 5 stars

��غ�� Rank

11,834 in Automotive (See Top 100 in Automotive)
8 in Compression Gauges

Date First Available

25 May 2007

Warranty & Support

��غ��.com Return Policy:Regardless of your statutory right of withdrawal, you enjoy a 30-day right of return for many products. For exceptions and conditions, see Return details.

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	This item Sealey Ct955 Petrol Engine Compression Test Kit 8Pc	Recommendations DAYUAN 11PCS Engine Cylinder Compression Tester Kit, Petrol Fuel Pressure Gauge Diagnostic Tool, Compression Tester Set for Motorcycle Engine Automotive Car	�� AZUNO Compression Tester Automotive, Digital Compression Gauge 200 PSI for Petrol Engine Cylinder Compression Tester Kit with Adapter & Hose	�� Spurtar Universal Stainless Steel Feeler Gauges 32 Blades 0.04-0.88 mm (0.0015-0.035 Inch) Imperial/Metric for Measuring Gap Width Thickness Widely Used for Guitar, Spark Plug, Piston Measure
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Price	£38.27	£29.57	£27.21	-16%��£5.14 Was: £6.14
Delivery	—	Get it as soon as Tuesday, Jan 21	Get it as soon as Tuesday, Jan 21	Get it as soon as Tuesday, Jan 21
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Customer reviews

254 global ratings

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Customers say

Customers find the electromechanical gauge a good value for money. It's easy for them to use with clear instructions and multiple adapters. The carry case is useful. However, some customers disagree on its accuracy and compression test accuracy.

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Quality Value for money Ease of use Adapters Utility Accuracy Compression accuracy

54 customers mention ‘Quality’45 positive9 negative

Customers appreciate the quality of the gauge. They find it works well for compression testing, has a useful design with adapters and extensions, and comes with a sturdy storage case. The gauge is made from high-quality materials and has an effective sound.

"...to use and the gauge is easy to read, it feels like it is made from good quility material...." Read more

"A useful design with a range of adapters and two push-on extentions, in a decent plastic box...." Read more

"Seems decent enough quality, though as usual with these kind of items the box is a bit naff" Read more

"...The quality is excellent and is what I have come to expect from Sealey equipment...." Read more

19 customers mention ‘Value for money’19 positive0 negative

Customers appreciate the gauge's value for money. They say it works well, has good quality for the price, and is an excellent purchase from Bamford Trading.

"...Its worth the money and its no different from the next price bracket up that is available. Pleased with the purchase...." Read more

"...of kit that gave good indication of cylinder compression for a cheap price...." Read more

"...happy with it, it seemed like a quality peace of kit for the low asking price...." Read more

"...would be very handy for the latter types and thought it was also well priced." Read more

18 customers mention ‘Ease of use’18 positive0 negative

Customers find the gauge easy to use and suitable for motorcycles. They appreciate the clear instructions, straightforward readings, and simple assembly. The carry case is a useful feature.

"...It was very easy to use and the gauge is easy to read, it feels like it is made from good quility material...." Read more

"...Pleased with the purchase. Its no more fiddly than any other in the price range too. Its actually very simple and quick...." Read more

"The rubber bungs make this really easy to use and is suitable for motorcycles...." Read more

"This is easy to use and comes with a useful range of threaded adaptors..." Read more

17 customers mention ‘Adapters’17 positive0 negative

Customers appreciate the adapters. They find the gauge easy to read and the different size adapters suitable for most vehicles. The adapters work well with all spark plug holes, including Japanese engines and boosted engines with an angled fitment that locates down the spark.

"Works well. Used it to diagnose headgasket failure. Accurately and repeatedly gave readings for each cylinder...." Read more

"...The different size adapters are good, however be aware that the sizes of each don’t account for the hex portion, so if it’s down a tight recess, it..." Read more

"...Having four adaptors means that most common size plug threads are catered for and the two universal rubber adaptors will cover most other..." Read more

9 customers mention ‘Utility’9 positive0 negative

Customers find the gauge useful. They say it's a good tool for occasional use, and ideal for DIY home mechanics. The clear instructions are appreciated, and the carry case is also helpful.

"...Excellent piece of equipment to have and saved me spending £40 to get it done at a garage." Read more

"...Overall a decent bit of kit for occasional use. (Obviously for petrol engine only)" Read more

"...Good clear instructions. Recommended for the amateur mechanic." Read more

"Great tool easy to use for the money different fittings supplied handy for the enthusiast" Read more

17 customers mention ‘Accuracy’7 positive10 negative

Customers have mixed opinions about the gauge's accuracy. Some find it consistent and gives similar readings on all cylinders, with psi readings in the expected range. Others report inaccurate readings, low readings, or a difference of around 30 psi between flexible and rigid adapter pipes.

"...if there's a difference in pressure between each cylinder but the PSI is way off...." Read more

"...small motorcycle engine, and, as far as I could tell, gave reasonably accurate readings- at least good enough to detect a worn bore or rings...." Read more

"...There is a difference in readings of around 30psi between the flexible and rigid adapter pipes. The flexible pipe leaks around the union fitting...." Read more

"...Accurately and repeatedly gave readings for each cylinder...." Read more

9 customers mention ‘Compression accuracy’6 positive3 negative

Customers have mixed opinions about the compression gauge's accuracy. Some say it's a great tool that has confirmed they need new piston rings on scooters, while others say it didn't measure compression accurately, reading 120 on all cylinders when it should be 180+.

"...For me, it’s a useful piece of kit that gave good indication of cylinder compression for a cheap price...." Read more

"Compression tests reading 120 on all cylinders, should be 180+, but did tell me all the cylinders were similar, be careful to make sure that the..." Read more

"Excellent bit of kit. Accurately diagnosed a compression problem in my 125cc Honda XR-125...." Read more

"...It confirmed my worries. Useful tool for confirming compression issues." Read more

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Top reviews from United Kingdom

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Najib
Excellent product and good value for money
Reviewed in the United Kingdom on 9 May 2016
Verified Purchase
I ordered this a couple of weeks ago but only got round to using it yesterday. After reading other reviews I was a bit worried that the adapters might get stuck in the spark plug holes but that wasn't a problem for me, I just made sure I screwed them on to the flexible hose tightly (by hand ofcourse) and had no issues. It was very easy to use and the gauge is easy to read, it feels like it is made from good quility material. I had no trouble putting it together and the carry case is really useful. However I would advise looking on youtube for instructions as there are easier ways of doing the test. Excellent piece of equipment to have and saved me spending £40 to get it done at a garage.

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Stuart20
A good product, especially at the price.
Reviewed in the United Kingdom on 30 September 2016
Verified Purchase
A useful design with a range of adapters and two push-on extentions, in a decent plastic box. Used it on both a car and small motorcycle engine, and, as far as I could tell, gave reasonably accurate readings- at least good enough to detect a worn bore or rings. A little tricky to reach plugs which are deeply recessed,but that is what the extention tubes are for. Minor point, the dial fits directly onto the extentions and does not use the flexible tube, which can make getting it down the plug recesses a bit fiddly. Overall a decent bit of kit for occasional use. (Obviously for petrol engine only)

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Helpful

Mr J Salvadori
It works
Reviewed in the United Kingdom on 19 October 2024
Verified Purchase
Seems decent enough quality, though as usual with these kind of items the box is a bit naff

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Helpful

Nicholas P.
Accurate time and time again. Good value.
Reviewed in the United Kingdom on 26 September 2017
Verified Purchase
Works well.
Used it to diagnose headgasket failure. Accurately and repeatedly gave readings for each cylinder.
Its worth the money and its no different from the next price bracket up that is available. Pleased with the purchase. Its no more fiddly than any other in the price range too.
Its actually very simple and quick. Not sure why people have given it 1 star but I reccomend it.

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Helpful

Smeeman
Excellent purchase from Bamford Trading
Reviewed in the United Kingdom on 15 December 2016
Verified Purchase
The rubber bungs make this really easy to use and is suitable for motorcycles. The quality is excellent and is what I have come to expect from Sealey equipment. I bought this at half price but it would have been a bargain at the full price in my opinion.

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Helpful

��غ�� Customer
Good indicator, but note adapter hex size!
Reviewed in the United Kingdom on 11 February 2019
Verified Purchase
I used it to check the compression on 4 cylinders to see if there was a loss of compression in one of them. This meant I wasn’t overly concerned with how accurate the dial was, rather than it reading consistently. I got roughly 120 PSI on all 4 which was enough for me to confirm there wasn’t any loss. I’m not sure if a “proper” tester would have given an “accurate” higher reading given that the car is allegedly to be around 170 PSI (however, it is 16 years old now, so the ~120 PSI may be accurate).

The different size adapters are good, however be aware that the sizes of each don’t account for the hex portion, so if it’s down a tight recess, it might not fit. For example, with the 14mm adapter, the A/F portion of the hex measures ~19mm, and the A/C portion of the hex measures ~21.6mm. this meant I had to file off the corners for it to fit down the recess I needed it in. This hex size is the same for all 4 adapters.

Admittedly, I could have used the rubber sealing adapters over the recess, but I wanted right onto the spark plug thread.

For me, it’s a useful piece of kit that gave good indication of cylinder compression for a cheap price. It will be handy keeping it on a shelf until it’s needed on another car, and the different adapters should mean it will handle that with no problems.

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2 people found this helpful

Helpful

Leigh Bicknell
Totally inaccurate readings
Reviewed in the United Kingdom on 16 April 2016
Verified Purchase
Ordered this to test a used car I bought recently that was pulling well in high revs but struggling down low.

When I opened it I was quite happy with it, it seemed like a quality peace of kit for the low asking price.

Didn't really think the car had a compression problem but wanted to check for peace of mind. Ran the test twice, both times following the official service guide to the letter (warm engine, all plugs out, fuel relay removed etc). Results came back 110 on all cylinders (should be around 170's). This put me into panic mode thinking the car was a lemon and needed major engine work.

I took the car to a garage to do a compression test to verify the results and perform a leak down test if necessary. The leak down wasn't necessary after all as the mechanics compression test came back 165 on all cylinders.

As such this is being returned, and I advise anyone who gets less than optimal results using this tester to have the results confirmed by a garage before they make any rash decisions!

I guess you get what you pay for!

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17 people found this helpful

Helpful

Gary Saunders
Does the job
Reviewed in the United Kingdom on 12 July 2020
Verified Purchase
This is easy to use and comes with a useful range of threaded adaptors (some sets only have 2 plug hole adaptors, neither of which would be of use to me). However considering my bike engine has been freshly refurbished and runs like a dream the compression readings (whilst very consistent) were surprisingly low - quite far below the minimum acceptable compression value. Not sure how accurate this gauge is as I don't have anything to calibrate against and it doesn't come with a certificate of calibration (not surprising at this price). The consistent readings between cylinders told me what I needed to know but if you are after accurate measurements you may need to check this gauge against a more accurate one.

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luigi fenocchi
Veramente utile.
Reviewed in Italy on 17 June 2019
Verified Purchase
Se i motorini dagli utensili da giardinaggi ti fanno impazzire ad avviarsi, ti informa che li puoi rottamare, ho sentire un meccanico quanto costa la riparazione.

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