Engine Crankcase Ventilator
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10-18 ENGINE CRANKCASE VENTILATOR AND CRANKCASE VENTILATOR VALVE (P.C.V. VALVE)
 
             10-18A ENGINE CRANKCASE VENTALATOR AND PARTS
 
PREFIX PART NO. DESCRIPTION APPLICATION PRICE
T/O A-1061

 

 CRANKCASE VENTILATOR
 (DRAFT TUBE), FOR OPEN SYSTEMS, 10" LONG.

 ALL 4-134 ENGINES WITH OPEN SYSTEMS
$ 68.50
T/O 630295

 

 CRANKCASE VENTILATOR
 (DRAFT TUBE), FOR OPEN
 SYSTEMS, 14" LONG.

 ALL 4-134 ENGINES WITH OPEN SYSTEMS $ 68.50
T/O A-6919

 

BODY, CRANKCASE VENTILATOR
 FOR CLOSED SYSTEMS.

 ALL 4-134 ENGINES WITH CLOSED SYTEMS
$ 24.50
 NOS A-6919 NOS

 

BODY, CRANKCASE VENTILATOR
 FOR CLOSED SYSTEMS.

ALL 4-134 ENGINES WITH CLOSED SYTEMS $ 32.50
NOS 630298 NOS

 

BAFFLE, CRANK CASE VENTILATOR.

 ALL 4-134 ENGINES WITH CLOSED SYTEMS CALL
OEM 630299

 

GASKET, CRANKCASE VENTILATOR
 TO VALVE SPRING COVER.

ALL 4-134 ENGINES
$ 2.50
OEM
645093

 

BOLT, SPECIAL, CRANKCASE VENTILATOR OR DRAFT TUBE TO ENGINE BLOCK, 3 11/16" LONG. INCLUDES THE COPPER GASKET AND WASHER.

ALL 4-134 ENGINES $ 5.50
OEM 51875

 

GASKET, COPPER, CRANKCASE VENTILATOR BOLT, 2 REQD.

ALL 4-134 ENGINES $1.00 EA.
OEM 674993

 

WASHER, SPRING TENSION, CRANKCASE VENTILATOR COPPER GASKET, LIGHT SERIES, 2 REQD.

ALL 4-134 ENGINES $1.00 EA.
NOS 937306 NOS

 

PLATE, VALVE SPRING COVER, USED TO ELIMINATE CRANKCASE VENTILATOR OR DRAFT TUBE, 2" O.D., WITH 5/16" CENTER HOLE.

 ALL L 4-134  ENGINES
$ 6.50
OEM 645094

 

BOLT, VALVE COVER, SPECIAL, 2 9/16" LONG, TAPERED END, USED WITH PLATE LISTED ABOVE, INCLUDES THE COPPER GASKET AND WASHER.

ALL 4-134 ENGINES $ 5.50
RPL A-6922

 

TUBE, ENGINE CRANKCASE VENTILATOR VALVE ASSY. STEEL WITH YELLOW ZINC NUTS AND O.D. GREEN POWDER COAT.

ALL 4-134 ENGINES $ 22.50
OEM 384549

 

ELBOW, CRANKCASE VENTILATOR TO TUBE AT VENTILATOR BODY, BRASS.

ALL 4-134 ENGINES $ 7.50
OEM A-6885

 

ELBOW, CRANKCASE VENTILATOR TO TUBE AT VENTILATOR BODY, BRASS.

ALL 4-134 ENGINES $ 7.50
OEM 142427

 

NUT, INVERTED FLARE TUBE, HEX, FOR 5/16" TUBE, YELLOW ZINC PLATED STEEL, 2 REQD.

ALL 4-134 ENGINES $ 3.75 EA.
 

  A-1061

$ 68.50

    630295

$ 68.50

 
 

  A-6919

$ 24.50

    A-6919-NOS

$ 32.50

 
 

  630298-NOS

CALL

    630299

$ 2.50 EA.

 
 
645093 $ 5.50
51875 $ 1.00 EA.
 
674993 $ 1.00 EA.
937306-NOS $ 6.50 EA.
 
645094 $ 5.50
A-6922
$ 22.50
 
384549 $ 7.50
A-6885 $ 7.50
 
142427 $  3.75 EA.
 
 
             10-18B CRANKCASE VENTILATOR VALVES (P.C.V VALVES)
 
                     A LITTLE BIT ABOUT P.C.V. VALVES

Crankcase vapors (blow-by) collect in the engine crankcase. Intake manifold vacuum draws the vapors through the P.C.V. valve, in varying amounts for reburning. The P.C.V. valve piston must move freely to accomplish this, as well as close off the passage completely in the event of engine backfire to prevent an explosion in the crankcase.

Failure of the P.C.V. system results in upsetting the carburetor fuel mixture since the induction system has been calibrated to accommodate this additional air supply.

P.C.V. troubles are indicated by the following symptoms:
1. Oil vapor escaping from dip stick tube and oil fill cap.
2. Strong oil fume odors in passanger compartment.
3. Rough engine idle speed and stalling tendencies.
4. Condensation and oil contamination resulting in sludge formation, etching and    rusting of critical, highly polished internal engine parts.
 
PREFIX PART NO. DESCRIPTION APPLICATION PRICE
NOS A-6895 NOS

 

VALVE, CRANKCASE VENTILATOR, WITH ONE THREADED END.

 ALL L 4-134  AND F-4-134 ENGINES WITH CLOSED SYSTEMS
NLA
OEM 941311

 

VALVE, CRANKCASE VENTILATOR, WITH ONE THREADED END, CAN BE USED AS A REPLACEMENT FOR A-6895 AND 930929.

LATE CJ-3B/5/6 WITH F-4-134 ENGINE $ 16.50
OEM

6422053

 

PCV VALVE, WITH TWO SLIP ON ENDS.

ALL V6-225 ENGINES $ 6.50
 
A-6895-NOS $ 42.50
941311 $ 16.50
 
6422053 $ 6.50
 
 
             10-18C CRANKCASE VENTILATION BREATHER CAPS
 
PREFIX PART NO. DESCRIPTION APPLICATION PRICE
OEM
701357

 

 CAP, OIL FILLER AND BREATHER, USED ON THE ROCKER COVER ON F-4-134 AND F-6-161 ENGINES, USED ON THE OIL FILLER THE ON THE L-6-226 ENGINE.

F-4-134/ F-6-161 L-6-226 ENGINES
$ 13.50
 
701357 $ 13.50
 

PLEASE REFER TO SUB-GROUP 10-16 FOR VENTILATING OIL FILLER CAPS

PLEASE REFER TO SUB-GROUP 10-10 FOR SIDE VALVE SPRING COVERS

 
 
 

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