Gates
Emission Control Hose

Gates EMH252 Engine Crankcase Breather Hose - Oil Separator To Intake

Brand Gates EMH252
Position Oil Separator To Intake
2
No
Yes
Branch Quantity 0
Centerline Length 14.75
Centerline Length 375
Centerline Length (in) 14.75
Centerline Length (mm) 375
End 1 Type Clip On
End 2 Type Clip On
End Type Clip On
Hardware Included No
Hardware Included No
Hose Quantity 1
Inside Diameter .93
Inside Diameter 1.15
Inside Diameter 29
Inside Diameter 1 (in) 1.15
Inside Diameter 1 (mm) 29
Inside Diameter 2 (in) .93
Inside Diameter 2 (mm) 29
Material Plastic
Material Plastic
Molded Yes
Number of Branches 0
Number of Hoses 1
Number of Quick Connectors 2
OE Comparison Rating OE Exact
PCV Valve No
Protective Sleeve No
Protective Sleeve Included No
Product line Emission Control Hose
Fits Ford · 4 vehicles

OE-exact replacement. Restores crankcase ventilation and emission control performance.

Molded plastic construction. Built for durability and maximum service life.

Clip-on ends. Simplifies installation with secure connections.

Cross-references Gates EMH252, BC3Z 6A664 A and BC3Z 6A664 B for the same application. See all 5.

$80.62Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $80.62
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

OE-Exact Crankcase Breather Hose

Gates EMH252 is an OE-exact engine crankcase breather hose for the emission control system. It is built from plastic with molded, clip-on ends to restore proper crankcase ventilation routing and emission system operation.

Compatible with 2011-2012 Ford F-250 Super Duty and 2011-2012 Ford F-350 Super Duty, this hose is made for the oil separator to intake connection. The Gates Emission Control Hose line focuses on replacement hoses that match original equipment fit and function for serviceable emission system repairs.

Key Features

  • OE Exact replacement for the crankcase ventilation and emission control system
  • Fits the oil separator to intake position on Ford Super Duty applications
  • Plastic construction for a direct replacement profile
  • Molded hose design with clip-on end types
  • Inside diameters: 1.15 in (29 mm) and .93 in (29 mm)
  • Centerline length: 14.75 in (375 mm)
  • OE comparison rating: OE Exact
  • Gates part number EMH252

Detailed Description

Gates EMH252 is an engine crankcase breather hose designed for emission control service on the crankcase ventilation system. It restores the hose path between the oil separator and intake, helping maintain the intended flow and sealing characteristics of the original routing. The molded shape, clip-on ends, and OE-exact comparison rating make it a direct replacement choice for 2011-2012 Ford F-250 Super Duty and 2011-2012 Ford F-350 Super Duty models. If you are searching for a Ford F-250 Super Duty crankcase breather hose or a Ford F-350 Super Duty emission control hose, EMH252 is the matching Gates service part.

This part cross-references BC3Z 6A664 A and BC3Z 6A664 B for the same application.

What It Helps Address

  • Cracked or deteriorated crankcase breather hose
  • Improper oil separator to intake hose routing
  • Emission system leaks caused by damaged hose connections
  • Loss of original hose fitment at clip-on ends
  • Service issues related to worn crankcase ventilation plumbing

Installation Notes and Tips

Verify the hose routing before removal and compare the new part to the original hose shape, end style, and centerline length. Confirm the clip-on connections are fully seated at both ends and inspect the surrounding emission control components for wear, contamination, or damage before reassembly. Use the vehicle application details to confirm the oil separator to intake position on the correct Ford Super Duty model year.

Quality Assurance

Gates builds this emission control hose as an OE-exact replacement using durable materials intended for long service life. EMH252 is part of the Gates Emission Control Hose line, which is focused on restoring original hose fit and emission system performance.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2012FordF-250 Super Duty6.7LV8DIESELOil Separator To IntakeEmission Control Hose
2012FordF-350 Super Duty6.7LV8DIESELOil Separator To IntakeEmission Control Hose
2011FordF-250 Super Duty6.7LV8DIESELOil Separator To IntakeEmission Control Hose
2011FordF-350 Super Duty6.7LV8DIESELOil Separator To IntakeEmission Control Hose
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Gates — EMH252BC3Z 6A664 ABC3Z 6A664 BBC3Z 6A664 CKCV266