SKU: 45454900921
boundary oil pump gears

boundary oil pump gears Boundary RB26DETT N1 2.6L Billet Oil Pump Gear Set Without MartenWear (Fits N1 Housing)

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Description

boundary oil pump gears Boundary RB26DETT N1 2.6L Billet Oil Pump Gear Set Without MartenWear (Fits N1 Housing)Boundary oil pump gears are 100% manufactured in Dallas Texas production facility. Boundary starts by quenching chromoly billets from extreme heat and then temper it to tough indestructible core. After machining Boundary applies their ColdFlow surface hardening process and complete it to a Mirror Finish. What does all this give you? It gives you a pump with stability over 9000 RPM, proven in excess of 2000whp, with higher efficiency, less friction,

Boundary oil pump gears are 100% manufactured in Dallas Texas production facility. Boundary starts by quenching chromoly billets from extreme heat and then temper it to tough indestructible core. After machining Boundary applies their ColdFlow surface hardening process and complete it to a Mirror Finish. What does all this give you? It gives you a pump with stability over 9000 RPM, proven in excess of 2000whp, with higher efficiency, less friction, and backed by one of the industries best manufactures warranty’s.

  • Mirror Finished and Surface Hardened

  • Surface Ground gears for the ultimate in fitment and performance

  • Indestructible chromoly core

  • Inner and outer gear machined in matched sets

  • Boundary's own race inspired gerotor design for flow and strength

  • Each set hand, machine, and hardness inspected with Blueprinting Report

  • Fits N1 Housing

 

There is no comparison between billet steel used by Boundary and powdered steel used in OEM oil pumps.  OEM oil pumps use a "cost efficient technique" called sintering because its cheap and produces tighter tolerances then casting. However powdered steel is even weaker then castings at only about 6000 PSI of strength. Good billet steels like the one that Boundary uses approach 110,000  PSI in yield strength or around 18 times stronger then OEM sintered steel. The material HT number designates what specific type of steel and heat treat we use. Every billet steel gear Boundary makes can be traced back to its original material specification sheet. Boundary worked along side with metalurgist to find the best combination of heat treat and steel grade to produce the best oil pump material on the market. 

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 45454900921

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4.1 ★★★★★
Based on 17 reviews
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R
Verified Purchase
Ryan Chung
Massapequa, US
★★★★★ 5
So small! But it works
Size: 6.8oz/200ml Silver
Perfect for making cortados. Easy to clean — dishwasher safe.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 18, 2025
R
Verified Purchase
Rickter
Pawtucket, US
★★★★★ 5
Nice shape, highly polished, 200ml, 5+ stars.
Size: 6.8oz/200ml Silver
Very nice, highly polished with the feel of quality for the price. I'm very much an amateur barista. A trip to Italy inspired me to buy an espresso machine. I gained a whole new respect for coffee in Europe. The pitcher with my machine was too big to copy the Euro style cafe. Small quantities of milk were too shallow to froth properly even when tilting. The barista I watched in Italy was using a small pitcher so I decided to buy the 200ml version. It's a perfect size allowing a small amount of milk to be deep enough to froth. I brought back some roasted Italian coffee beans back to USA and wow! I'm very much a beginner but having fun.
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Reviewed in the United States on December 3, 2025
C
Verified Purchase
Coco
Lexington, US
★★★★★ 5
Incredible quality, just buy the right size (I did not)
Color: A Silver, Size: 12 Ounces, Color: A Silver, Size: 12 Ounces
For anyone interested in this product, here’s a quick guide (from a coffee snob) • 12oz (what I got, pictured) - fine for small drinks (standard mug) at home. one drink, and you never plan on using this for any larger drinks • 20oz - the home kitchen sweet spot. if you’re filling a Stanley or Yeti traveler this is probably your size. One caveat, you’ll have no wiggle room and will be maxing your milk froth to the brim. if you like cappuccino’s get the 32oz. • 32oz - this is what’s behind the counter at every coffee shop you’ve ever been to. if you’ve worked a bar shift at Starbucks you’ve held this pitcher a thousand times. If you like a lot of foam (cappuccinos) i would suggest anyone serious about at home use to get this one. I’ve worked in coffee shops since I was like 16 and I still ordered the 12oz like a complete idiot. I posted comparison photos if you want a good laugh. The pitcher is smaller than a regular coffee mug. Not a travel mug, not a big mug, just a normal everyday mug. Bigger than the pitcher. I measured nothing and paid the price. Returning it and ordering the 32oz of the same exact pitcher so that should tell you the quality is legit. Feels exactly like what we used behind the bar, well made, solid, nothing cheap about it. Just bought the wrong size. For anyone also about to make my mistake: the 12oz works if you’re making one small drink at home and that’s it. The 20oz is probably the right call for most people, fills a Stanley or Yeti no problem. The 32oz is the coffee shop size, if you’ve ever worked a bar at Starbucks or anywhere else you’ve used that size a thousand times and it’ll feel right immediately. Great pitcher. Wrong size. My fault entirely.​​​​​​​​​​​​​​​​
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Reviewed in the United States on May 10, 2026
G
Verified Purchase
G. Tompkins
Dallas, US
★★★★★ 5
Excellent in every respect, regardless of price. Just get the right size for your needs.
Color: A Silver, Size: 12 Ounces
Over time I've accumulated several milk steaming pitchers, a few of which were 3 or 4x the price, and yet I keep coming back to this one. The build quality is surprisingly high, the volume markings are very clearly etched on the inside and easy to read, it has a nice no-drip spout for pouring, and it still looks as good as new after daily use; No sign of wear and tear or staining on the metal even with high heat milk steaming. This is one of those rare low price/high quality products I only rarely run across.
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Reviewed in the United States on June 8, 2026
H
Verified Purchase
Home And Travel With Midz!
Lexington, US
★★★★★ 5
Lovely milk pitcher
Color: A Silver, Size: 12 Ounces, Color: A Silver, Size: 12 Ounces
This milk pitcher is so durable and light weight. Its great value for money and feels expensive. Its easy to use and also easy to clean. It pours very well and fits perfectly on my coffee machine.
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Reviewed in the United States on March 2, 2026

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