E-Tron FV198 is a PCV (Positive Crankcase Ventilation) valve

Description:
🔧 Part Details
-
Part Number: FV198
-
Type: PCV Valve
-
Brand: E-Tron (also cross-referenced with PCV203)
-
Material: Molded thermoplastic
-
Connection: Straight plastic barb
-
Mounting Style: Push-in
-
Function: Controls crankcase ventilation and emissions
🚗 Fitment Compatibility
While exact manufacturer documentation is limited, the FV198 is typically matched to GM vehicles from the 1970s to early 1990s, including:
-
Chevrolet: Caprice, Impala, Camaro, C/K Series pickups, Suburban
-
Pontiac: Bonneville, Catalina, Firebird
-
Oldsmobile: Cutlass, Delta 88
-
Buick: LeSabre, Regal, Skylark
-
GMC: Vans and trucks with V8 engines
Common engine fitments:
-
5.0L 305 V8
-
5.7L 350 V8
-
7.4L 454 V8
This valve is often used in rear-wheel-drive platforms with carbureted or early fuel-injected systems.
🔁 Cross-Reference Numbers
Here are compatible part numbers across brands:
Brand | Part Number |
---|---|
Fram | FV198, PCV203 |
ACDelco | CV774C |
Purolator | PV774 |
Motorcraft | EV-79 |
BorgWarner | PCV210 |
Stant | SV774 |
Hastings | HV49 |
KEM | PCV71 |
Standard Motor Prod. | V178 |
GM | 6487779 |
These numbers help locate compatible parts across catalogs and suppliers.
🛠️ Maintenance Tips
-
Replace every 30,000–50,000 miles or if experiencing rough idle, oil leaks, or poor fuel economy
-
Easy DIY install—just unplug and swap
-
A clogged PCV valve can lead to sludge buildup and increased emissions