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Triumph Unit 350 500 650 750 T140 T120 TR6 TR7 T100 T90 UK Made Oil Pump PN# 70-9421 UK 70-3878 70-6928 E3878 E6928

Rated 1.00 out of 5 based on 1 customer rating
(1 customer review)

$112.34

Availability: In stock

Triumph Unit Oil Pump 70-9421 UK

Top of the line, U.K. made, L.F. Harris, two valve brass bodied oil pump as fitted to unit construction Triumph 350 500 650 & 750 twins, replacing Triumph PN# 70-9421 70-3878 70-6928. This pump ensures proper engine lubrication and prevents wet sumping during periods of storage thus helping keep your bike alive and well for years to come!
For oil pump gaskets CLICK HERE

While we prefer this oil pump, we do also sell the EMGO units. Please see related products below for the EMGO version.

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LF Harris motorcycle spares are produced to the highest quality standards possible utilizing original Triumph tooling, dies, factory blueprints & materials combined with modern manufacturing equipment, tolerances & techniques.

1 review for Triumph Unit 350 500 650 750 T140 T120 TR6 TR7 T100 T90 UK Made Oil Pump PN# 70-9421 UK 70-3878 70-6928 E3878 E6928

  1. Avatar Of Phil Benoodt
    Rated 1 out of 5

    Phil Benoodt (verified owner)

    Don’t wast your money.Pump was full of grit and was dirty inside.Gasket does not match pump.Save your money and buy a Hepolite or Morgo pump…Does not even come close to the Quality I was expecting..The pump is the heart of your engine so don’t cut corners .Spend the extra money and buy the best…

    • Avatar Of Ashley Allen

      Ashley Allen

      Hi Phil, thanks for your review. We’re glad you took the recommended course and disassembled the pump to blow out any manufacturing swarf before installation! That’s a key step with carbs to, lest most folks forget. The pump you purchased is actually manufactured by LF Harris who owns the original drawings and manufacturing equipment from Triumph – it’s as OEM as they come.

      Regarding your concerns on the gasket, have no fear! Triumph actually changed the design of the pump to what you see in the LFH pump to improve its performance during idol (it was with the T140 models I believe but are perfectly compatible with the earlier models). One thing they didn’t change? The gasket. So, while the pump has oval holes and the gasket maintained the circle cutouts, they are still fit as originally intended by Triumph and work great!

      We love all the options we sell for oil pumps; Hepolite and Emgo included. This LFH pump remains our best seller of the bunch and a top-quality choice. We can’t help but feel especially drawn to it being as that it’s UK made and as identical to the original Triumph oil pumps as it gets!

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