STP CAF1878P Cabin Air Filter
Value & Price Guide

The STP CAF1878P is a particulate cabin air filter designed to remove dust, pollen, and other airborne contaminants from the vehicle's interior ventilation system. It is engineered to meet original equipment (OE) fit and function standards for compatible vehicle models.
Current value
$7 - $11
Condition
Used
Sales tracked
6 listings
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Recent listings & comparables
Based on marketplace listings similar to this item

STP caf1878p air filter Car Home Work Cabin New Clean Air Flow Install
$12.49

NEW - STP Cabin Air Filter CAF1899P
$14.99

Cabin AC Air Filter for 2010 to 2014 Mazda 3 Sport 2010 To 2013 Mazda 3 L4 New
$8.78

Brand New STP Cabin Air Filter CAF1914P - High Quality Car Air Filtration
$5

Brand New STP Cabin Air Filter CAF1914P - High Quality Car Air Filtration
$11.99
What affects the value?
Key factors collectors and buyers usually evaluate
Condition and packaging
Mint in package examples usually command a premium over loose items with card wear, creases, or yellowing.
Edition rarity
Specific runs and harder-to-find variants generally sell higher than common releases from the same year.
Buyer demand
Recent buyer activity changes quickly. Comparable sold listings are a better signal than asking prices.
Completeness
Original packaging, inserts, and cleaner presentation can materially improve resale value.
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Frequently asked questions
Hero Stuff analyzes thousands of recent sales across multiple marketplaces to provide you with an accurate, real-time price range for your item. We take into account the condition, completeness, and current market trends.
The most significant factors are the condition of the item, whether you have the original box and accessories, and the current market demand. Items in "Like New" or "Mint" condition typically sell for more.
The best places to sell depend on your item. Generally, eBay, Facebook Marketplace, and Mercari are top choices for electronics and collectibles. Hero Stuff helps you list across these platforms efficiently.
Check recent sold listings rather than active asking prices. Hero Stuff does this automatically for you, filtering out outliers to give you a realistic expectation of what your item will sell for.
An item is considered "New" only if it is still factory sealed. Having the original packaging and accessories can increase resale value by 15-20% compared to the loose item alone, as it appeals to collectors and gift buyers.
This STP CAF1878P Cabin Air Filter value and price guide is based on verified marketplace listing data and comparable item analysis. Prices shown are market-informed and can change over time.
Hero Stuff helps you sell used items fast with AI-assisted pricing, listing creation, and cross-posting to eBay and Facebook Marketplace.