Boundary Honda 1.8L I4 High Flow Billet Oil Pump Gear (Only Fits Orbit Pump) Boundary BOUB18-OPG
Boundary Honda 1.8L I4 High Flow Billet Oil Pump Gear (Only Fits Orbit Pump) Boundary BOUB18-OPG
Click to zoom in

Boundary Honda 1.8L I4 High Flow Billet Oil Pump Gear (Only Fits Orbit Pump)

Boundary
BOUB18-OPG
B18-OPG
Oil Pumps
3 Units In Stock - Ships Next Business Day
$ 299.00
$ 299.00

SKU: B18-OPG

Boundary Honda 1.8L I4 High Flow Billet Oil Pump Gear (Only Fits Orbit Pump) Fits 1990-2001 Acura Integra 1992-2000 Honda Civic

Upgrade B18 engine lubrication with Boundary high flow billet oil pump gear designed for Orbit oil pump. Fits Honda 1.8L I4 B18 engines in 1990-2001 Acura Integra and 1992-2000 Honda Civic B18 swaps. Delivers 25% more oil volume than stock for steady pressure and protection at high RPMs.

Key Features

  • Billet 7075-T6 Aluminum: High strength-to-weight ratio endures race conditions without failure
  • High Flow Design: Increases oil delivery 25% over OEM for full lubrication in extended high RPM operation
  • Precision CNC Machining: Ensures exact tolerances for seamless fit in Orbit pump housing and peak efficiency
  • Anodized Finish: Resists corrosion and wear in harsh engine environments
  • B-Series B18 Specific: Tailored for 1.8L I4 engines in performance builds and daily drivers

Product Notes

  • Compatible only with Boundary Orbit oil pump other pumps require different gears
  • Inspect pump housing condition before installation
  • Compact design ships easily with minimal packaging

Installation Notes

  • Professional installation recommended.
  • Apply assembly lube to gear teeth and torque to Boundary specifications
  • Fits Orbit pump housing requires no modifications

This Part Fits

Year Make Model Submodel
1990-2001 Acura Integra GS LS RS GSR Type R (B18)
1992-2000 Honda Civic Si EX DX HX (B18 swap)
1993-1997 Honda Civic Del Sol Si VTEC (B18 swap)
1988-1991 Honda CRX Si HF DX (B18 swap)

Why Choose Boundary?

  • Race tested in drag and circuit applications
  • CNC machined from aerospace grade materials
  • Engineered for B-series reliability

Frequently Asked Questions

  • Q: Does this gear fit stock Honda oil pumps?
    A: No it fits only the Boundary Orbit oil pump model for B18 engines
  • Q: What material is used in construction?
    A: Machined from 7075-T6 billet aluminum with anodized coating for durability
  • Q: What warranty coverage applies?
    A: Backed by Boundary limited lifetime warranty against manufacturing defects

Shipping & Handling

  • Method: UPS Ground or USPS Priority Mail
  • Availability: In stock - ships same or next business day
  • Packaging: Secure padded box 5 x 5 x 2 inches
  • Weight: 0.25 lbs

Request For Information

Have questions about Boundary Honda 1.8L I4 High Flow Billet Oil Pump Gear (Only Fits Orbit Pump)? Fill out the form below and we'll get back to you by the next business day.
Boundary

Boundary

Boundary engine oiling parts and accessories for Ford Coyote, GT500, F 150, LS, HEMI, Honda K series, Subaru FA, Toyota 2JZ, Nissan VQ, RB, VK, Honda L15 and Mazda BP engines are stocked at Black Ops Auto Works. Shop billet oil pump gears, complete oil pumps, vane ported pump assemblies, high volume upgrade kits, billet back plates, crank timing sprockets and treated gear sets. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 69 Boundary SKUs with real fitment data and clear product specifications. What This Boundary Collection Covers Boundary develops billet oil pump gears, complete oil pump assemblies, and rotating assembly components for high output engine builds. These parts are selected by exact engine generation, pump housing, crank drive, oiling requirements, and intended rpm or power level. The catalog includes direct upgrades for domestic, import, turbocharged, superchar...

View Boundary Products
Engine

Engine

Engine parts and engine bay upgrades for Dodge, Jeep, RAM, Chrysler, Chevrolet, Ford, Toyota, Nissan, Subaru, and Honda vehicles are stocked at Black Ops Auto Works. Shop oil catch cans, supercharger pulleys, thermostats, radiators, cooling parts, throttle bodies, intake manifolds, headers, ignition coils, spark plugs, sensors, gaskets, fuel pumps, valve covers, engine covers, billet cap covers, and full engine bay dress-up parts for HEMI, Hellcat, Trackhawk, Redeye, Demon, Scat Pack, RAM TRX, LS, LT, Coyote, EcoBoost, K-Series, and 2JZ builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 14,298 engine SKUs across performance, cooling, oil control, ignition, and appearance categories. What This Category Covers The Engine collection combines OEM-replacement engine service parts with performance aftermarket upgrades for supercharged, turbocharged, and naturally aspirated builds...

View Engine Products
Oil Pumps

Oil Pumps

Performance oil pumps for performance engines, street builds and race combinations are stocked at Black Ops Auto Works. Shop high-volume oil pumps, billet oil-pump assemblies, billet gears, pickup-equipped pumps, oil-pump drives and related hardware for Ford, GM, Subaru, Toyota, Nissan and Honda engines. Oil-system parts must match the engine family, pan depth, pickup location, crankshaft and intended oiling demand. Black Ops Auto Works carries 100 oil-pump SKUs for engine builders who need catalog-specific components rather than generic transfer equipment. What This Collection Covers This collection covers engine lubrication components that supply pressurized oil to bearings, valvetrain and related passages. It includes complete pumps, billet oil-pump gears, drive gears, pickup assemblies, pump shafts and high-volume race parts. Built for verified applications Use the fitment details and product specifications on each listing to confirm the correct application before ordering. ...

View Oil Pumps Products
Oil Systems

Oil Systems

Oil system parts for supercharged HEMI, LS and LT platforms, diesel trucks, and daily drivers are stocked at Black Ops Auto Works. Shop oil catch cans, air oil separators, oil filters, oil pans, oil pumps, oil pickups, dipsticks, drain plugs, and motor oils for Hellcat, Redeye, Demon, Jeep Trackhawk, Ram TRX, Corvette, Camaro, CTS-V, Mustang, F-150, and Silverado applications. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 1,432 oil system SKUs across catch cans, filtration, and service hardware. What This Category Covers Oil system parts manage crankcase ventilation, filtration, and lubrication delivery throughout the engine. This collection spans oil catch cans, oil separators, air oil separators, oil filters, oil pans, oil pumps, oil pickups, dipsticks, drain plugs, oil baffles, and motor oils for street, track, towing, and high horsepower applications. Crankcase Ventilation...

View Oil Systems Products
Military & First Responder Discounts

Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

Learn More & Apply

Your cart

×