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MC9851078-4_TOP_Fuel_Selector_Valve

MC9851078-4_TOP_Fuel_Selector_Valve

MC9851078-4, VALVE, Fuel Selector

Part # MC9851078-4

VALVE, Fuel Selector


$1,298.74
Retail Price: $1,758.42
In Stock

Product Details

Specifications

Approval
FAA PMA
Condition
New
Manufacturer
McFarlane Aviation
Dimensions
L: 4.75 x W: 4.5 x H: 4.5 in
Weight
0.4 lbs
Unit of Measure
Each
McFarlane Part Number
MC9851078-4

Product Description

Fuel Selector & Fuel Shut-Off Valves for Cessna Aircraft

New Fuel Selector Valve Assemblies

FAA-PMA approved for Cessna 150 thru 195 aircraft

  • Better corrosion resistance
  • Improved O-ring retention
  • More balanced fuel flow

Why not just repair my valve?
Many of the original valves have too much damage to be repaired cost-effectively. The original Cessna fuel valve that started in model 170 was a simple but ingenious cam ball design that has proven very reliable over the years. McFarlane has repaired a lot of these original Cessna valves, and we know them well. However, we are now rejecting a big percentage of the valve cores sent to us. A lot of them have corrosion damage in the main body that is too severe to fix, or the O-ring retention area is damaged and too rough to seal. Many of the fittings are corroded through. The cam bearing is brass and easily corrodes the aluminum alloy cam.

Fuel Valves group (fuel-valves-group.png)


Overhauled Fuel Selector & Fuel Shut-Off Valves

Repaired assemblies available for Cessna 150 thru 320 aircraft

  • Overhauled by experienced technicians
  • Cleaned, inspected, and assembled with all fluorocarbon O-rings, seals, gaskets, hardware, and parts as required
  • Pressure tested for leaks and evaluated for proper fuel flow

Fuel Valve Repair


Seal kits, repair kits, and replacement components also available!

Seal kits and repair kits are available for varying Cessna 150 thru 320 aircraft. Replacement components are available for all new McFarlane fuel valve assemblies.

  • Seal kits include all necessary O-rings and/or gaskets
  • Repair kits include all required hardware, seals, springs, O-rings, roll pins, washers, screws, balls, and plug
  • Replacement components available include covers, rotors, bodies, pins, and seals

To order components, go to Seal Kits, Repair Kits, or Replacement/Service Parts


WARNING: Cancer and/or Reproductive Harm - California Proposition 65 Resources

Eligible Aircraft
Make Model Start S/N End S/N Quantity Per Aircraft Location Eligibility Chart
Cessna 150150S/N 17770 – 5901859018Quantity Per Aircraft 1Location Fuel Selector ValveEligibility Chart 7433
Cessna 150A150AS/N 15059019 – 1505935015059350Quantity Per Aircraft 1Location Fuel Selector ValveEligibility Chart 7433
Cessna 150B150BS/N 15059351 – 1505970015059700Quantity Per Aircraft 1Location Fuel Selector ValveEligibility Chart 7433
Cessna 150C150CS/N 15059701 – 1506008715060087Quantity Per Aircraft 1Location Fuel Selector ValveEligibility Chart 7433
Cessna 150D150DS/N 15060088 – 1506077215060772Quantity Per Aircraft 1Location Fuel Selector ValveEligibility Chart 7433
Cessna 150E150ES/N 15060773 – 1506153215061532Quantity Per Aircraft 1Location Fuel Selector ValveEligibility Chart 7433
Cessna 150F150FS/N 15061533 – 1506453215064532Quantity Per Aircraft 1Location Fuel Selector ValveEligibility Chart 7433
Cessna 150G150GS/N 15064533 – 1506719815067198Quantity Per Aircraft 1Location Fuel Selector ValveEligibility Chart 7433
Cessna 150H150HS/N 15067199 – 1506930815069308Quantity Per Aircraft 1Location Fuel Selector ValveEligibility Chart 7433
Cessna 150J150JS/N 15069309 – 1507112815071128Quantity Per Aircraft 1Location Fuel Selector ValveEligibility Chart 7433
Cessna 150K150KS/N 15071129 – 1507200315072003Quantity Per Aircraft 1Location Fuel Selector ValveEligibility Chart 7433
Cessna 150L150LS/N 15072004 – 1507578115075781Quantity Per Aircraft 1Location Fuel Selector ValveEligibility Chart 7433
Cessna 150M150MS/N 15075782 – 1507850515078505Quantity Per Aircraft 1Location Fuel Selector ValveEligibility Chart 7433
Cessna A150KA150KS/N A1500001 – A1500226A1500226Quantity Per Aircraft 1Location Fuel Selector ValveEligibility Chart 7433
Cessna A150LA150LS/N A1500227 – A1500523A1500523Quantity Per Aircraft 1Location Fuel Selector ValveEligibility Chart 7433
Cessna A150MA150MS/N A1500524 – A1500684A1500684Quantity Per Aircraft 1Location Fuel Selector ValveEligibility Chart 7433
Cessna F150FF150FS/N F150-0001 – F150-0067F150-0067Quantity Per Aircraft 1Location Fuel Selector ValveEligibility Chart 7433
Cessna F150GF150GS/N F150-0068 – F150-0219F150-0219Quantity Per Aircraft 1Location Fuel Selector ValveEligibility Chart 7433
Cessna F150HF150HS/N F150-0220 – F150-0389F150-0389Quantity Per Aircraft 1Location Fuel Selector ValveEligibility Chart 7433
Cessna F150JF150JS/N F150-0390 – F150-0529F150-0529Quantity Per Aircraft 1Location Fuel Selector ValveEligibility Chart 7433
Cessna F150KF150KS/N F15000530 – F15000658F15000658Quantity Per Aircraft 1Location Fuel Selector ValveEligibility Chart 7433
Cessna F150LF150LS/N F15000659 – F15001143F15001143Quantity Per Aircraft 1Location Fuel Selector ValveEligibility Chart 7433
Cessna F150MF150MS/N F15001144 – F15001338F15001338Quantity Per Aircraft 1Location Fuel Selector ValveEligibility Chart 7433
Cessna FA150KFA150KS/N FA1500001 – FA1500081FA1500081Quantity Per Aircraft 1Location Fuel Selector ValveEligibility Chart 7433
Cessna FA150LFA150LS/N FA1500082 – FA1500120FA1500120Quantity Per Aircraft 1Location Fuel Selector ValveEligibility Chart 7433
Cessna FA150L (when equipped w/FKA150-2311 & FKA150-2316)FA150L (when equipped w/FKA150-2311 & FKA150-2316)S/N FA1500121 – FA1500261FA1500261Quantity Per Aircraft 1Location Fuel Selector ValveEligibility Chart 7433
Cessna FA150M (when equipped w/FKA150-2311 & FKA150-2316)FA150M (when equipped w/FKA150-2311 & FKA150-2316)S/N FA1500262 – FA1500311FA1500311Quantity Per Aircraft 1Location Fuel Selector ValveEligibility Chart 7433
Cross Reference

Reference only: Please verify the product is eligible for your aircraft before adding to your cart.

  • 0411803-5
  • 0411803-6
  • 0411803-7
  • 0411803-8
  • 9851078-4
FAQs

How do I keep contaminants out of my fuel system?

The fuel selector valve works in unscreened fuel. Contaminated fuel can cause selector valve seal damage. When fueling from possibly contaminated fuel sources McFarlane recommends the use of a fuel filter, such as Mr. Funnel or another filtering device, to reduce trash in the fuel system.

What pressure is used to test the fuel selector valves after repairs?

We pressure test our repaired valves to a minimum of 5 psi using precision controlled air pressure and a calibrated low pressure indicator. This pressure is above the normal fuel pressure on the valve and below the limits of the springs in the valve. Each valve is submerged in Stoddard solvent while the air pressure is applied to the valve. The valves are then tested in each position to assure that there are no inter-port or external leaks. Leaks are detected by looking for air bubbles escaping from the valve.

How do I know when to replace or service my fuel selector valve?

The most common indication of external fuel valve leaks is the smell of avgas in the cabin. Most valves are located under the cabin floor. Fuel stain on the valve and drain plug or drain valve or on the belly of the aircraft can also indicate external leakage. External leaks are generally around the actuation valve stem. Internal leaks are detected when the fuel is turned off and fuel continues to drip during fuel system maintenance. Inner port leakage will allow fuel from one tank to leak into another fuel tank. This type leak is difficult to detect. Fuel transfer from one tank to another with the fuel valve selected to one tank only will indicate inner-port leakage. An extended period of time is needed to detect fuel transfer from one tank to another. Generally if internal leakage is detected when servicing the fuel system, it is likely there is also inner-port leakage. 

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