AV78-388 - General Aviation Retainer Washer, Pump Stem Ret. for General Aviation

AV78-388 is a FAA-PMA general aviation retainer washer, pump stem ret. manufactured by AVStar Fuel Systems Inc for the General Aviation. This hydraulic systems part supports pressure-based mechanical actuation systems and is available with full traceability documentation including FAA 8130-3 airworthiness certification.

Part Number
AV78-388
Manufacturer
AVStar Fuel Systems Inc
Aircraft Model
General Aviation
Category
Hydraulic Systems
Condition
New
Certification
FAA-PMA
Price
Contact us for pricing
Availability
In Stock
Warranty
As per manufacturer
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About the AV78-388 for General Aviation

The General Aviation Retainer Washer, Pump Stem Ret. (Part Number: AV78-388) is a hydraulic systems used on the General Aviation. Manufactured by AVStar Fuel Systems Inc, this component supports pressure-based mechanical actuation systems and may be required during maintenance, repair, or scheduled overhaul cycles depending on service intervals and configuration.

Availability may vary across global suppliers and can typically be sourced in one or more of the following conditions:

  • New
  • Overhauled
  • Serviceable / As-Removed

Certification documentation such as FAA 8130-3 or EASA Form 1 may be available depending on supplier and condition.

Alternative and Cross-Reference Parts for AV78-388 on General Aviation

The following parts from other manufacturers may serve as alternatives or cross-references for the AV78-388 on the General Aviation. Verify interchangeability against the aircraft IPC and Type Certificate Data Sheet before procurement.

Part NumberDescriptionManufacturerCertification
Installation KitSystem At 101Air Tech Coatings LLCFAA-PMA
EL62388General Aviation Cap, Valve Stem, IntakeAirmotive Engineering CorpFAA-PMA
P/N 10-785146-106 Dwg. No. 10-785146-106 Rev A DTD 1/25/91 or Later FAA ApprovalGeneral Aviation Ignition System, MagnetoContinental Motors IncFAA-PMA
10-349620-1General Aviation Magneto, Ignition System Type S-1200Continental Motors IncFAA-PMA
10-685124-129General Aviation Magneto, Ignition System Type D-3000Continental Motors IncFAA-PMA
BL-400440General Aviation Kit, Ignition System, S4Lsc -21/-204 25 Impulse Lag-Angle 5/8-24 Spk-PlgContinental Motors IncFAA-PMA

Frequently Asked Questions about AV78-388

Is AV78-388 compatible with all General Aviation configurations?
Compatibility depends on aircraft serial number, modification status, and configuration. Verification against maintenance documentation is recommended prior to procurement.
Is AV78-388 available new or overhauled?
Depending on availability, this component may be sourced new, overhauled, or serviceable with appropriate documentation.
Do you provide certification paperwork for AV78-388?
Certification documentation such as FAA 8130-3 or EASA Form 1 may be available based on supplier inventory and condition.
How long does sourcing AV78-388 take?
RFQ responses are typically returned within 12–24 hours depending on global supplier availability.
Do you ship AV78-388 internationally?
Yes. Global shipping and export coordination may be supported depending on supplier location and compliance requirements.

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