Class 73 - GBRf (Current) - 73961 Alison

Class 73 - GBRf (Current) - 73961 Alison

Marsoni

M251S

$179.99

Get it in 3 business days with 1 day shipping. Friday, May 29

Class 73 - GBRf (Current) - 73961 Alison73961 GBRf, Current 73961 was the first 73 9 to enter traffic during 2014. The former E6026 73120 73209 had test runs at the Great Central Railway in Leicestershire during 2014 pairing with some interesting traction. The paint had weathered well but by 2024 it was looking rather work worn and as such became the first 73 9 to re enter the paint shop, this time at Eastleigh and it received the slightly darker shade of blue which is used by GBRf

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I will use this in every car I own from now. Cleaned it real well did exactly what it said so and my truck runs a lot better definitely can tell the difference.. it was work the extra oil and work. The bottle I bought came with instructions in English, which made it easy for me. The quality of it is light brake cleaner, but meant for engines and it ran great very easy to use this pour in.

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Reviewed in the United States on October 19, 2025

Verified Purchase

Beni

Omaha, US

★★★★★ 5

Does its job.

Always a go to before oil changes. Helps remove some extra sludge/deposits. DO NOT DRIVE OR REV THE VEHICLE WHEN USNG THE PRODUCT, only idle for 10-15 min. Ive seen reviews where people drove with it potentially ruining the engine.

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Reviewed in the United States on March 26, 2026

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Adan Ichich

Charlottesville, US

★★★★★ 5

Calidad de limpieza al motor

Excelente producto, lo llevo usándolo un buen tiempo, en cada cambio de aceite, limpia bien por dentro del motor. Es fácil usarlo, hecharlo donde se llena el aceite del motor, y enciende el motor espere 10 minutos, y apague el motor, y vuelve a esperar 25 o 30 minutos para que se enfríe el motor, ya cumplido lo 25 o 30 minutos sacar el aceite viejo del motor. Listo, producto muy recomendable. Excelente funcionamiento, chevy silverado 2004

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Reviewed in the United States on March 15, 2026

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Kwang's Chowover

Massapequa, US

★★★★★ 5

Good

Very nice very good

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Reviewed in the United States on February 10, 2026