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AJ53 ONU

2003 Mazda B Series

Blue Diesel 2499cc
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MOT Status

Valid
Expires15 Dec 2026
Tests31 (19 pass, 12 fail)
Pass rate61.3%

Mileage

133,134 mi
Last recorded133,134 miles
Recorded on11 Dec 2025
Typical for 2003 Mazda B Series84,674 mi

Significantly above average — investigate

4 checks still locked for this Mazda
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Finance
Write-off
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Vehicle Details

RegistrationAJ53 ONU
MakeMazda
ModelB Series
Year2003
ColourBlue
Fuel typeDiesel
Engine2,499cc

All premium checks include

50+ data points
Finance Check (Experian) Insurance Write-off Salvage Auction Stolen Check Previous Owners Ex-Taxi, Police, NHS Mileage Anomaly Import / Export Scrapped Check Plate Changes

MOT History

19 pass 12 fail
Pass 11 Dec 2025 133,134 miles

Battery insecure but not likely to fall from carrier (4.13 (a) (i))

Front crash bar corroded

Nearside Front Track rod end ball joint has slight play (2.1.3 (b) (i))

Offside Front Track rod end ball joint has slight play (2.1.3 (b) (i))

Offside Rear Position lamp incorrect colour (4.2.3 (a) (i))

Rear Exhaust mounting defective (6.1.2 (a))

Steering rack has slight free play detected at steering wheel (2.3 (a) (i))

Fail 3 Dec 2025 133,112 miles

Driver's view of the road through the swept area of the windscreen significantly affected by an obstruction (3.1 (a) (ii))

Exhaust emissions exceed manufacturer's specified limit (8.2.2.2 (a))

Front Registration plate inscription illegible (0.1 (b))

Nearside Headlamp aim too low (4.1.2 (a))

Nearside Headlamp levelling device inoperative (4.1.5 (a))

Nearside Rear Position lamp adversely affected by the operation of another lamp (4.2.3 (c))

Nearside Stop lamp(s) not working (4.3.1 (a) (ii))

Offside Headlamp aim too low (4.1.2 (a))

Offside Headlamp levelling device inoperative (4.1.5 (a))

Battery insecure but not likely to fall from carrier (4.13 (a) (i))

Front crash bar corroded

Nearside Front Track rod end ball joint has slight play (2.1.3 (b) (i))

Offside Front Track rod end ball joint has slight play (2.1.3 (b) (i))

Offside Rear Position lamp incorrect colour (4.2.3 (a) (i))

Rear Exhaust mounting defective (6.1.2 (a))

Steering rack has slight free play detected at steering wheel (2.3 (a) (i))

Pass 16 Dec 2024 126,899 miles

Nearside Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Nearside Front Brake pipe corroded, covered in grease or other material at ferule (1.1.11 (c))

Nearside Front Subframe mounting prescribed area is corroded but not considered excessive (5.3.6 (a) (i))

Offside Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Offside Front Brake pipe corroded, covered in grease or other material at ferule (1.1.11 (c))

Offside Front Subframe mounting prescribed area is corroded but not considered excessive (5.3.6 (a) (i))

Fail 12 Dec 2024 126,899 miles

Nearside Front Windscreen washer provides insufficient washer liquid (3.5 (a))

Offside Front Windscreen washer provides insufficient washer liquid (3.5 (a))

Front Brake pipe connection leaking on a hydraulic braking system (1.1.11 (b) (ii)) DANGEROUS

Rear Brake pipe connection leaking on a hydraulic braking system (1.1.11 (b) (ii)) DANGEROUS

Nearside Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Nearside Front Brake pipe corroded, covered in grease or other material at ferule (1.1.11 (c))

Nearside Front Subframe mounting prescribed area is corroded but not considered excessive (5.3.6 (a) (i))

Offside Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Offside Front Brake pipe corroded, covered in grease or other material at ferule (1.1.11 (c))

Offside Front Subframe mounting prescribed area is corroded but not considered excessive (5.3.6 (a) (i))

Fail 28 Oct 2024 126,893 miles

Anti-lock braking system warning lamp indicates an ABS fault (1.6 (b))

Brake performance unable to be tested (1.2.1 (g))

Nearside Front Subframe mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i))

Nearside Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))

Offside Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))

Offside Rear Brake pipe leaking on a hydraulic braking system (1.1.11 (b) (ii)) DANGEROUS

Offside Front Subframe mounting prescribed area is corroded but not considered excessive (5.3.6 (a) (i))

Pass 21 Nov 2023 121,933 miles

Brake pipe corroded, covered in grease or other material front to rear (1.1.11 (c))

Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

Fuel Pipe/s corroded ()

Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Rear Exhaust mounting defective (6.1.2 (a))

Fail 11 Nov 2023 121,900 miles

Nearside Rear Leaf spring fractured (5.3.1 (b) (i))

Brake pipe corroded, covered in grease or other material front to rear (1.1.11 (c))

Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

Fuel Pipe/s corroded ()

Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Rear Exhaust mounting defective (6.1.2 (a))

Pass 9 Nov 2022 115,700 miles
Fail 9 Nov 2022 115,700 miles

Offside Front Position lamp not working (4.2.1 (a) (ii))

Pass 4 Nov 2021 111,774 miles
Pass 23 Nov 2020 107,547 miles

Offside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Fail 28 Jan 2020 107,426 miles

Nearside Headlamp aim too low (4.1.2 (a))

Nearside Rear Brake pipe excessively corroded behind the fuel tank before the compensator valve (1.1.11 (c))

Nearside Rear Position lamp lens seriously defective (4.2.1 (b))

Nearside Stop lamp(s) not working (4.3.1 (a) (ii))

Offside Headlamp not working on dipped beam (4.1.1 (a) (ii))

Offside Rear Brake pipe excessively corroded behind the fuel tank before the compensator valve (1.1.11 (c))

Rear Prop shaft joint excessively worn (6.1.7 (c) (i))

Fuel Pipe/s corroded front to rear ()

Nearside Front Steering linkage ball joint has slight play inner and outer (2.1.3 (b) (i))

Offside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Offside Front Steering linkage ball joint has slight play inner and outer (2.1.3 (b) (i))

Rear fog lamp insecure (4.5.1 (c) (i))

Steering box has slight free play detected at steering wheel (2.3 (a) (i))

Pass 16 Jan 2019 105,102 miles

Exhaust centre box hanger corroded

Front to rear and nearside front brake pipes coroding

Front to rear fuel pipe corroding

Nearside front tyre wearing on the outer edge

Play in all steering joints

Fail 16 Jan 2019 105,102 miles

Exhaust centre box hanger corroded

Front to rear and nearside front brake pipes coroding

Front to rear fuel pipe corroding

Nearside Rear Position lamp showing white light to the rear (4.2.3 (a) (ii))

Nearside front tyre wearing on the outer edge

Play in all steering joints

Pass 3 Feb 2018 102,532 miles

Parking brake lever has little reserve travel (3.1.6b)

Pass 22 Dec 2016 98,521 miles
Fail 21 Dec 2016 98,521 miles

Nearside Front position lamp(s) not working (1.1.A.3b)

Nearside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc (2.5.C.1a)

Nearside Rear position lamp(s) not working (1.1.A.3b)

Nearside Registration plate lamp not working (1.1.C.1d)

Offside Outer Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc (2.5.C.1a)

Windscreen wiper does not clear the windscreen effectively both (8.2.2)

Pass 11 Dec 2015 94,395 miles
Pass 12 Dec 2014 89,750 miles
Fail 10 Dec 2014 89,704 miles

Nearside Front Tyre tread depth below requirements of 1.6mm (4.1.E.1)

Nearside Headlamp aim too low (1.8)

Offside Headlamp aim too low (1.8)

Registration plate lamp not illuminating the registration plate (1.1.C.1e)

Nearside Rear Tyre worn close to the legal limit (4.1.E.1)

Offside Front Tyre worn close to the legal limit (4.1.E.1)

Offside Rear Tyre worn close to the legal limit (4.1.E.1)

Pass 12 Dec 2013 83,698 miles
Pass 12 Dec 2012 76,461 miles
Fail 11 Dec 2012 76,460 miles

Brakes imbalanced across an axle (3.7.B.5b)

Windscreen wiper does not clear the windscreen effectively (8.2.2)

Front Brake pad(s) wearing thin (3.5.1g)

Pass 12 Dec 2011 69,484 miles
Pass 10 Dec 2010 62,005 miles

Offside Front Tyre worn close to the legal limit (4.1.E.1)

Pass 18 Dec 2009 53,110 miles
Pass 18 Dec 2008 42,597 miles
Pass 21 Nov 2007 33,234 miles
Fail 21 Nov 2007 33,234 miles

Front registration plate has a feature which changes the appearance or legibility of the characters (6.3.4c)

Offside Front Tyre tread depth below requirements of 1.6mm (4.1.E.1)

Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone 'A' (8.3.1e)

Pass 20 Oct 2006 23,527 miles
Fail 13 Oct 2006 23,527 miles

Exhaust system not adequately supported (7.1.1)

How Reliable is the Mazda B Series?

Based on 136,422 MOT tests across 9,870 vehicles.

68.9%
Pass Rate
5,432
Miles/Year
38
Year Lifespan
9,870
On UK Roads

Top MOT Failure Points

Brake pipe excessively corroded 9,638
fog lamp not working 5,286
Tyre tread depth below requirements of 1.6mm 4,589
Windscreen wiper does not clear the windscreen effectively 3,901
Registration plate lamp not working 2,281
Full Mazda B Series reliability report

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Not all vehicle check providers are the same. Some don't offer a data guarantee, which means if their information is wrong, you're on your own. Every CarVerify report is backed by a £30,000 finance data guarantee.

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AJ53 ONU is a 2003 Mazda B Series in Blue with a 2,499cc diesel engine. This vehicle has been through 31 MOT tests with a personal pass rate of 61.3%.

Across all 2003 Mazda B Series models, the average MOT pass rate is 70.5% with a typical mileage of 84,674 miles. This particular vehicle has a lower pass rate than the average for its year, which may indicate maintenance issues worth investigating.

The most common reason a Mazda B Series fails its MOT is brake pipe excessively corroded, accounting for 9,638 recorded failures. If you're considering buying AJ53 ONU, it's worth having these areas checked by a mechanic before committing.

The Mazda B Series typically stays on UK roads for around 38 years. At 23 years old, this Mazda B Series is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of AJ53 ONU?

You can check the full history of AJ53 ONU by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was AJ53 ONU registered?

AJ53 ONU is a 2003 Mazda B Series, first registered on 31 October 2003.

Is AJ53 ONU safe to buy?

The MOT history for AJ53 ONU shows 31 tests with a 61.3% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does AJ53 ONU have outstanding finance?

Finance checks require a premium vehicle report. This checks against all major UK finance providers to see if there is any outstanding finance on AJ53 ONU. If you buy a car with outstanding finance, the finance company can repossess it.

No warranty or guarantee of accuracy is provided for any free data on this page. The data guarantee applies only to information obtained through the purchase of a full check.