Cessna 172 Parts Manual: An Overview
Cessna 172 parts manuals are crucial for identifying components‚ aiding maintenance‚ and ensuring airworthiness.
These catalogs‚ available from 1956 onwards‚ detail every part!
Univair and the Internet Archive offer valuable resources‚ including catalogs spanning various model years and serial numbers.
Smithsonian Institution also provides access to older illustrated parts catalogs‚ enhancing research and restoration efforts.
Cessna 172 parts manuals represent a comprehensive inventory of every component utilized in the aircraft’s construction and maintenance. These manuals are not merely lists; they are essential tools for pilots‚ mechanics‚ and restorers alike‚ providing detailed illustrations and part numbers crucial for accurate identification.
Early catalogs‚ dating back to 1956 for the 172/175 models‚ laid the foundation for subsequent revisions. As the Cessna 172 evolved through various iterations – including the P172 and 172Q – the corresponding parts manuals were updated to reflect these changes.

Accessing these resources‚ whether through the Internet Archive‚ Univair Aircraft Corporation‚ or the Smithsonian Institution‚ unlocks a wealth of information vital for maintaining these iconic aircraft.
Importance of Using Official Manuals

Utilizing official Cessna 172 parts manuals is paramount for ensuring aircraft safety and regulatory compliance. These manuals guarantee the correct parts are used during maintenance and repairs‚ preventing potential malfunctions stemming from incompatible components. Relying on unofficial sources introduces risks of incorrect part numbers and substandard replacements.
Cessna’s detailed catalogs‚ like the P696-12 for 172/172Q models (1975-86)‚ provide precise specifications and illustrations. This accuracy is critical for proper installation and functionality. Furthermore‚ official manuals often include revision sheets and updates‚ keeping maintenance current.
Adhering to these resources demonstrates a commitment to airworthiness and avoids potential issues with inspections and certifications. Univair and the Internet Archive facilitate access to these vital documents.
Understanding Cessna 172 Model Variations
Cessna 172 models have evolved significantly since 1956‚ necessitating the use of the correct parts manual for each specific aircraft. Early models (172/175‚ 1956-1962) utilize the P257-12 catalog‚ while later versions‚ up to 1968‚ are covered by a separate illustrated catalog available through the Smithsonian Institution.
The 172Q and subsequent models (1975-1986) require the P696-12 catalog. Serial number ranges are crucial; a manual applicable to aircraft serial 28000 through 49544 might differ from later production runs.
Understanding these variations ensures accurate parts identification and prevents using components incompatible with a particular Cessna 172’s configuration. Univair provides catalogs tailored to specific eras.

Historical Cessna 172 Parts Catalogs
Cessna 172 parts catalogs date back to 1956‚ evolving with the aircraft itself. Univair and the Internet Archive preserve these historical resources!
Early catalogs (P257-12) differ greatly from later versions (P696-12).
Early Cessna 172/175 Parts Catalogs (1956-1962)
Early Cessna 172/175 parts catalogs‚ specifically those covering the years 1956-1962 (Part Number P257-12‚ available through Univair Aircraft Corporation)‚ represent the foundational documentation for these classic aircraft.
These initial catalogs meticulously detail the components of the original Cessna 172 and 175 models‚ providing essential information for maintenance and restoration. They are invaluable for owners and mechanics working on these earlier airframes.
The catalogs feature detailed illustrations and part numbers‚ crucial for accurate identification and ordering. Univair notes that these products are non-returnable‚ emphasizing their specialized nature. Accessing these resources helps preserve the legacy of these pioneering aircraft.
Cessna 172 and P172 Parts Catalogs (Up to 1968)
Cessna 172 and P172 parts catalogs published up to 1968‚ as documented by the Smithsonian Institution‚ superseded all previous catalogs dated from September 15‚ 1962‚ through February 1‚ 1968.
These catalogs (Call Number TL686 .C4 Ap172‚ 1968) represent a significant update‚ incorporating design changes and component revisions implemented during that period. The Smithsonian’s physical catalog spans 490 pages with numerous illustrations.
They are essential for maintaining aircraft within this serial number range‚ offering comprehensive parts identification. These resources are vital for accurate repairs and ensuring continued airworthiness of these iconic aircraft‚ bridging the gap to later catalog revisions.
Cessna 172/172Q Parts Catalogs (1975-1986)
Univair Aircraft Corporation offers the P696-12 catalog specifically covering Cessna 172 and 172Q models manufactured between 1975 and 1986. Priced at $265.00‚ this catalog is a non-returnable resource for detailed parts information.
This catalog is crucial for owners and mechanics working on aircraft within this production timeframe‚ providing accurate component identification and specifications. It’s applicable to a wide range of serial numbers‚ ensuring compatibility and correct parts ordering.
The P696-12 catalog is a vital tool for maintaining the airworthiness and operational reliability of Cessna 172 and 172Q aircraft during these years.

Key Components and Systems Covered
Cessna 172 parts manuals detail the airframe‚ engine‚ landing gear‚ and fuel systems.
Detailed illustrations aid in identifying each component accurately.
Airframe Structure Parts
Cessna 172 parts manuals comprehensively cover the airframe‚ detailing components like the fuselage‚ wings‚ and tail surfaces. These catalogs meticulously list parts for the wing ribs‚ spars‚ and skin‚ crucial for structural integrity.
You’ll find detailed breakdowns of fuselage bulkheads‚ stringers‚ and exterior skin panels. Landing gear attachment points and control surfaces – ailerons‚ elevators‚ and rudder – are also extensively documented.
The manuals provide part numbers for hinges‚ control cables‚ and associated hardware. Fuel tanks and their internal structures are included‚ alongside window and door components. Accurate identification of these parts is vital for safe and compliant repairs and maintenance.
Engine and Propeller Components
Cessna 172 parts manuals dedicate significant sections to the engine and propeller systems. These catalogs detail components for Lycoming or Continental engines commonly found in these aircraft. You’ll find breakdowns of cylinder heads‚ pistons‚ carburetors‚ and magnetos.
Detailed illustrations showcase the engine mount‚ exhaust system‚ and fuel pump components. The manuals also cover the propeller itself‚ listing parts like propeller blades‚ hubs‚ and spinner assemblies.
Essential accessories‚ including alternators‚ starters‚ and vacuum pumps‚ are thoroughly documented with precise part numbers. Proper identification of these components is critical for maintaining engine performance and safety.
Landing Gear and Brake Systems
Cessna 172 parts manuals provide comprehensive diagrams of the landing gear‚ covering everything from the main landing gear struts to the nose gear assembly. Detailed breakdowns illustrate wheel assemblies‚ tires‚ and brakes‚ essential for safe operation.
The manuals meticulously list components of the brake system‚ including brake discs‚ calipers‚ and brake lines. You’ll find parts for both standard and optional brake upgrades. Illustrations clearly show the hydraulic system and related components.
Furthermore‚ the catalogs detail parts for the gear retraction mechanism (if applicable) and associated hardware‚ ensuring accurate maintenance and repair procedures.
Fuel System Parts
Cessna 172 parts manuals offer detailed schematics of the entire fuel system‚ crucial for maintaining engine performance and safety. These catalogs break down components like the fuel tanks‚ fuel pumps‚ and fuel lines with precise part numbers.
You’ll find illustrations of the fuel selector valve (Figure 103)‚ fuel filters‚ and carburetor components‚ aiding in troubleshooting and repair. Manuals cover parts applicable to specific serial number ranges‚ ensuring compatibility.
Detailed views of the fuel gauges and sending units are also included‚ alongside diagrams of the fuel quantity calibration procedures. Proper fuel system maintenance is vital‚ and these manuals are key.

Locating and Accessing Parts Manuals
Online resources like the Internet Archive and Univair Aircraft Corporation provide digital and physical Cessna 172 parts catalogs for purchase.
The Smithsonian Institution also offers access to historical Cessna illustrated parts catalogs for research purposes.
Online Resources: Internet Archive
The Internet Archive serves as a valuable digital repository for historical Cessna 172 parts catalogs. Specifically‚ a Cessna 172 Parts Catalog from 1975-1976 is readily available for free download‚ borrowing‚ or streaming.
This catalog‚ identified as Identifier: cessna-172-parts-catalog-1975-1976‚ was added on April 24‚ 2022. It utilizes OCR technology (Tesseract 5.0.0) and‚ while detecting the language as Kyrgyz‚ contains essential Cessna parts information.
Users can access this resource via the ark:/13960/s2x7jbj50vg identifier‚ offering a convenient way to explore parts diagrams and numbers for these specific model years.
It’s a fantastic resource for owners and mechanics alike!
Supplier Websites: Univair Aircraft Corporation
Univair Aircraft Corporation is a leading supplier of Cessna aircraft parts and manuals‚ offering both current and legacy documentation. They currently list the P696-12 CESSNA 172/172Q PARTS CATALOG 1975-86 for $265.00.
This catalog specifically covers Cessna 172 and 172Q models manufactured between 1975 and 1986‚ providing detailed parts breakdowns and illustrations. Univair emphasizes that this product is non-returnable‚ adhering to their established returns and refunds policy.
Additionally‚ they offer the P257-12 CESSNA 172/175 PARTS CATALOG 1956-62‚ priced at $245.00‚ catering to earlier model restorations and maintenance needs. Univair is a trusted source!
Smithsonian Institution Resources
The Smithsonian Institution houses a valuable resource for Cessna 172 enthusiasts: the Cessna illustrated parts catalog for Model 172 and P172. This catalog‚ dated 1968‚ supersedes all previous parts catalogs released between September 15‚ 1962‚ and February 1‚ 1968.
Catalogued under TL686 .C4 Ap172‚ 1968‚ it’s a comprehensive 490-page volume filled with illustrations and detailed parts information. The Smithsonian’s holdings provide a historical perspective on Cessna parts documentation.
Researchers and restorers can access this resource for insights into older Cessna 172 models‚ aiding in accurate repairs and preservation efforts. It’s a vital archive!

Navigating a Cessna 172 Parts Manual
Parts manuals utilize specific part numbers and detailed illustrations for identification. Index and cross-reference sections are key to locating components efficiently.
Understanding these elements unlocks accurate Cessna 172 maintenance!
Understanding Part Numbers
Cessna 172 part numbers are systematically organized for precise identification and ordering. These numbers aren’t arbitrary; they contain crucial information about the component itself. Decoding these numbers allows technicians and owners to accurately source replacements‚ ensuring compatibility and airworthiness.
Typically‚ a Cessna part number consists of a series of digits and sometimes letters. Each segment often represents a specific characteristic‚ such as the assembly‚ component‚ and revision level. For example‚ a number might indicate a specific fuel selector valve assembly‚ with further digits denoting the valve’s specific configuration or a design update.
Referencing the correct parts catalog is vital‚ as part numbers can change over time due to engineering revisions or supplier changes. Utilizing the catalog’s index and cross-reference sections‚ alongside the part number‚ guarantees the correct component is selected for the Cessna 172.
Interpreting Illustrations and Diagrams

Cessna 172 parts manuals heavily rely on detailed illustrations and diagrams to visually represent components and their assembly. These aren’t merely pictures; they are technical drawings designed for clarity and precision. Understanding how to interpret these visuals is key to successful maintenance and repair.
Illustrations often employ exploded views‚ showcasing how parts fit together in a sequential manner. Diagrams highlight specific systems‚ like the fuel or landing gear‚ with numbered callouts corresponding to the parts list. These callouts link directly to the part numbers‚ streamlining identification.
Pay close attention to shading‚ line weights‚ and sectional views‚ as these convey important details about component shape‚ material‚ and internal structure. Mastering these visual cues‚ alongside the parts list‚ ensures accurate assembly and troubleshooting of the Cessna 172.
Using the Index and Cross-Reference Sections
Cessna 172 parts manuals feature comprehensive index and cross-reference sections‚ vital for efficient part location. The index lists components alphabetically‚ directing users to relevant page numbers. This is invaluable when you know the part’s name but not its part number.
Cross-reference sections are equally crucial‚ especially when dealing with superseded parts or interchangeable components. They detail which parts have been replaced by newer versions‚ or which parts are compatible across different Cessna models.
Effectively utilizing these sections saves time and minimizes errors. Always verify information with the applicable serial number range to ensure compatibility. These tools are essential for accurate parts ordering and successful aircraft maintenance.

Specific Manual Details & Serial Number Applicability
Cessna 172 parts catalogs are specific to serial number ranges‚ ensuring correct part identification. Figure and index numbering systems aid navigation.
Revision sheets update information‚ vital for accurate maintenance and repairs.
Serial Number Ranges and Catalog Applicability
Understanding the correlation between Cessna 172 serial numbers and applicable parts catalogs is paramount for accurate maintenance and repairs. Early catalogs‚ like P257-12‚ cover models from 1956-1962‚ while later versions‚ such as P696-12‚ specifically address 1975-1986 Cessna 172 and 172Q aircraft.
Notably‚ the Mod 172 1 175 I 6 d H 172 catalog applies to serial numbers 28000 through 17249544‚ and the 175 series from 55001 to 57119.
Therefore‚ referencing the correct catalog based on the aircraft’s serial number is essential to avoid ordering incorrect or incompatible parts‚ ensuring safety and operational reliability. Always verify applicability before ordering!
Figure and Index Numbering Systems
Cessna 172 parts manuals employ a structured figure and index numbering system for efficient part identification. Figure 103‚ for example‚ details the fuel selector valve assembly‚ utilizing a hierarchical numbering scheme within each illustration.
Index numbers‚ presented as a series (1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17)‚ correspond to specific components within the figure. This system allows technicians to quickly locate parts and their associated details.
Understanding this organization is crucial for interpreting the catalog effectively. Proper utilization of these numbering systems streamlines the parts ordering process and minimizes errors during maintenance procedures‚ ensuring accurate repairs.
Catalog Revision Sheets and Updates
Cessna 172 parts catalogs are periodically updated through revision sheets to reflect design changes‚ part supersedence‚ and new component introductions. These sheets are essential for maintaining catalog accuracy and ensuring technicians use the most current information.
Revision sheets detail modifications to existing parts or introduce entirely new components‚ often referencing specific serial number applicability. Staying current with these updates is vital for correct parts identification and ordering.
Manufacturers like Univair provide these updates‚ ensuring that maintenance personnel have access to the latest catalog information. Regularly checking for revisions guarantees accurate repairs and continued airworthiness of the Cessna 172.

Additional Resources
Cessna issues service letters and bulletins for critical updates‚ while related maintenance and repair manuals offer expanded detail. Univair aids parts ordering!
Accessing these resources ensures comprehensive maintenance and accurate repairs for your Cessna 172‚ enhancing safety and longevity.
Cessna Service Letters and Bulletins
Cessna Service Letters and Bulletins represent vital supplementary information to the core parts manuals. These documents often detail mandatory inspections‚ modifications‚ or clarifications regarding specific components and systems within the Cessna 172. They address potential safety concerns or improvements not fully covered in the standard catalog documentation.
Regularly reviewing these publications is paramount for maintaining airworthiness. They can highlight critical updates affecting part interchangeability‚ installation procedures‚ or inspection intervals. Service Letters typically address immediate safety concerns‚ while Bulletins often cover broader operational or maintenance recommendations. Accessing these resources‚ often through Cessna’s official channels or aviation maintenance databases‚ ensures technicians are aware of the latest directives impacting parts usage and aircraft safety.
Ignoring these updates could lead to improper maintenance or the use of incorrect parts‚ potentially compromising flight safety.
Parts Ordering Information
Ordering Cessna 172 parts requires precision‚ utilizing accurate part numbers found within the official manuals. Univair Aircraft Corporation stands as a primary supplier‚ offering a comprehensive catalog and online ordering system. When ordering‚ specifying the aircraft’s serial number is crucial to ensure compatibility‚ as parts can vary across different model years.
Always verify the part number against the applicable parts catalog before placing an order. Supplier websites often feature cross-reference tools to aid in identification. Be mindful of return policies‚ as noted by Univair‚ some parts are non-returnable. Consider lead times‚ especially for less common components. Maintaining a detailed parts inventory and accurate records streamlines the ordering process and minimizes downtime.
Proper documentation and clear communication with the supplier are key to a successful transaction.
Maintenance and Repair Manuals (Related)
Cessna 172 parts manuals are most effective when used in conjunction with the corresponding maintenance and repair manuals. These related publications provide detailed instructions for disassembly‚ assembly‚ and troubleshooting‚ referencing the parts identified in the catalogs. Accessing Cessna Service Letters and Bulletins is also vital‚ as they often detail modifications or updates affecting specific parts.
Understanding the interplay between parts identification and repair procedures ensures safe and accurate maintenance. While parts manuals focus on what components are used‚ repair manuals explain how to work with them. Proper training and adherence to approved procedures are paramount. Utilizing both resources minimizes errors and maximizes aircraft reliability.
Always prioritize official Cessna documentation for all maintenance and repair tasks.