Gates
Emission Control Hose

Gates EMH117 Engine Crankcase Breather Hose - PCV Valve Hose

Brand Gates EMH117
Position PCV Valve Hose
Material Plastic, rubber
Inside Diameter .8125
Inside Diameter 21
Centerline Length 11
Centerline Length 279
Hose Quantity 1
End Type Push in
Branch Quantity 0
Protective Sleeve Included No
Hardware Included No
9839 Yes
9845 2
9853 No
Centerline Length (in) 11
Centerline Length (mm) 279
End 1 Type Push in
End 2 Type Push in
Hardware Included No
Inside Diameter 1 (in) .8125
Inside Diameter 1 (mm) 21
Inside Diameter 2 (in) .8125
Inside Diameter 2 (mm) 21
Material Plastic, rubber
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
Product line Emission Control Hose
Fits Ford · 4 vehicles

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

Molded construction. Plastic and rubber build supports durability and long service life.

Push-in ends. Designed for a secure, straightforward hose connection.

Cross-references Gates EMH117, 3C3Z 6A603 AA and 3C3Z 6N664 AA for the same application. See all 4.

$89.05Free 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 $89.05
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Free returns within 60 days if it doesn't fit when fitment is verified.

OE-Exact Crankcase Breather Hose

Gates EMH117 is an OE-exact engine crankcase breather hose for emission control service. Built from plastic and rubber with molded push-in ends, it restores the crankcase ventilation path on select Ford Super Duty applications.

Fits 2003-2004 Ford F-250 Super Duty, PCV valve hose, and fits 2003-2004 Ford F-350 Super Duty, PCV valve hose. This Gates Emission Control Hose line focuses on direct replacement fit and durable construction for emission system repair.

  • OE Exact replacement for the original crankcase ventilation hose
  • Plastic and rubber construction for durability and service life
  • Molded hose with push-in ends for direct routing
  • Inside diameter: 21 mm (0.8125 in.)
  • Centerline length: 279 mm (11 in.)
  • Designed for emission control and crankcase ventilation service

Detailed Product Overview

The Gates EMH117 crankcase breather hose is built to match OE dimensions and connection style for a direct replacement on the specified Ford F-250 Super Duty and Ford F-350 Super Duty applications. Its molded shape, push-in end design, and OE Exact comparison rating help maintain the intended routing and sealing of the emission control system. Gates EMH117 is a practical choice when replacing a cracked, hardened, or leaking breather hose in the crankcase ventilation circuit.

This part cross-references Ford service numbers 3C3Z 6A603 AA and 3C3Z 6N664 AA for the same application.

Common Problems This Hose Can Address

  • Cracked or split crankcase breather hose
  • Vacuum leaks in the PCV or emission control hose path
  • Oil vapor escape from a deteriorated ventilation hose
  • Loose or damaged push-in hose connections
  • Improper crankcase ventilation routing after hose failure

Installation Notes and Tips

Verify the vehicle build date before ordering; this hose applies to 2003-2004 Ford F-250 Super Duty and 2003-2004 Ford F-350 Super Duty models noted as Sept. 22, 2003 and older. Confirm the hose ends, routing, and connection diameter match the original part before installation. Inspect nearby breather and PCV components for wear so the repaired system seals correctly.

Quality Assurance

Gates builds this Emission Control Hose line as an OE-exact replacement solution for emission system service. EMH117 is engineered to restore proper crankcase ventilation function with materials selected for durability and long service life.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2004FordF-250 Super Duty6.0LV8DIESELPCV Valve HoseSept. 22, 2003 & Older; Emission Control Hose
2004FordF-350 Super Duty6.0LV8DIESELPCV Valve HoseSept. 22, 2003 & Older; Emission Control Hose
2003FordF-250 Super DutyDIESELPCV Valve HoseSept. 22, 2003 & Older; Emission Control Hose
2003FordF-350 Super DutyDIESELPCV Valve HoseSept. 22, 2003 & Older; Emission Control Hose
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Gates — EMH1173C3Z 6A603 AA3C3Z 6N664 AAEK-111