Melling M208 Low Pressure Oil Pump LPOP 94-03
High quality replacement for your worn out factory LPOP that moves higher volume for larger HPOP use.
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Melling M208 LPOP. Amazing swap
After communicating my issue to Riff Raff Diesel, I went ahead and ordered the M208. Sorry I did not order this sooner! What a terrific upgrade for less than 150 bucks. Really appreciated the detail instructions they provided too. I did this swap (it's really an upgrade!) with the fan in place and went just fine. Just a little more patience is needed to attach the puller ect... But worked out great.
Great advice - Great parts from Riff Raff Diesel. -
Melling lpop
Good part, I Like that it comes with a new housing. Oem does not anymore.
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Fitting the pump
Very easy to instal , just ensure the O ring mating face on the front cover is clean and inspect the front cover for ware from old pump. I used Permatex assembly oil liberally on the meshing surfaces. Thank you Riffraff.
From 7.3 Down under
Regards
Geoff -
THIS IS THE FIRST UPGRADE YOU SHOULD DO! FORGET THE UP PIPES.
I DID MY LPOP PREVENTITIVLY. 340K ON MY ENGINE AND IT WAS TAKING A MOMENT FOR THE PRESSURE GAUGE TO COME UP ON START UP. GETTING WORSE WITH WINTER SETTING IN, SO I FIGURED IT IS TIME. I WAS ALSO GETTING SOME OIL AIRATION NOT BAD NOT FOAMING BUT JUST SOME MICRO AIR BUBBLES. THE MELLING PUMP IS A SMALLER PUMP THAN OEM, BUT PUMPS MORE VOLUME FOR SURE!! SAYS RITE ON THE BOX MADE IN USA. THIS LITTLE GUY MADE A MASSIVE IMPROVEMENT ON HOW MY ENGINE RUNS. IMMEDIATLY ON START UP I NOTICED IT IDLES MUCH SMOOTHER, AND MUCH QUIETER. ITS 1/3 QUIETER AT IDLE, OIL PSI COMES UP RIGHT AWAY ON COLD START, RUNS SOO MUCH BETTER THROUGH THE ENTIRE RPM BAND. BASED ON HOW WELL THIS ONE IS DOING, I COME TO THE CONCLUSION MY OLD PUMP WAS LEGIT FAILING...I ALSO DID THE FLUIDAMPER DAMPER LISTED ON THIS WEBSITE PER CLAY'S RECCOMENDATION AT THE SAME TIME. FLUIDAMPER AND THE MELLING LPOP IS A WINNING PAIR FOR SURE. I WAS BLOWN AWAY HOW MUCH BETTER THIS THING IS. NOT AIRATING OIL ANYMORE
---ALSO, I WAS HAVING AN ONGOING ISSUE WITH INJECTORS NOT FIRING CORRECTLY AT OPERATING TEMP AND UNDER LOAD. IT WOULD ALMOST FEEL LIKE A MISS/ WEAK FIRE OF THE INJECTORS. CHASED MY TAIL WITH INJECTOR O-RINGS, HARNESSES, BALANCE TESTS WITH NO SUCSESS. PROBLEM SOLVED, INJECTORS FIRING CORRECTLY NOW UNDER LOAD. -
M208
Fixed my startup hesitation!
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Melling lpop
I got my melling lpop from riffraff super fast, like lighting quick. Product was as described and packaged very well. Good communication from riffraff on shipping. Pump installed easily in about an hour. Thank you riffraff for excellent service, superior products, and fast shipping.
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Melling lpop
Great kit. Fair price. Easy to install. Actually made my 7.3 quieter. Very happy with the product and service form Riffraff.
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Solid part
This oil pump seems beefier than the OEM part
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Better than OEM
Works as it should.