Product Description
Penn 1183078 Post-Frame - Plated (037 525): A Vital Component for Classic Reels
The Penn 1183078, also identified by the part number 037 525, is a genuine factory replacement plated post-frame designed for a range of popular Penn conventional fishing reels. This crucial structural component provides rigidity and support to the reel's frame, ensuring proper alignment of the spool and internal mechanisms, which is essential for smooth and reliable operation during intense battles with fish.
This post-frame is specifically engineered to meet Penn's rigorous standards for durability and corrosion resistance, featuring a plated finish to withstand the harsh saltwater environment. As a genuine Penn part, it guarantees a precise fit and seamless integration with the compatible reel models, restoring them to their original factory specifications.
The part number 1183078 is the designation used by Pure Fishing, Penn's parent company, while 037 525 is the original Penn part number. Anglers and reel repair professionals will find that these two numbers refer to the identical component.
Models This Part Fits:
The Penn 1183078 Post-Frame is a direct replacement for the following reel models:
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Penn 525GS: A workhorse graphite-bodied star drag reel known for its casting performance and durability.
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Penn 525MAG: A legendary casting reel, particularly favored in the surfcasting community for its magnetic cast control system and long-distance capabilities. It is important to note that this part is often specified for the original U.S.A. manufactured 525MAG reels.
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Penn 535GS
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Penn 545GS
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Penn 555GS
Given that this part is associated with some of Penn's classic and now-discontinued American-made models, it can be considered a vital and often sought-after component for maintaining and restoring these highly-regarded reels. When servicing a compatible reel, it is always recommended to consult the reel's schematic to confirm the correct part number before ordering.

