Cannot find the correct replacement evaporator for a Nissan Frontier because the aftermarket part lacks the port for an external expansion valve, and needs to know if an internal expansion valve can be used instead.

Parts catalogs list the correct part number (27280-3S500) but the physical product doesn't match the original - missing the external expansion valve port, and no resource explains if an alternative internal valve configuration is compatible.

Severity

3Medium

Willingness to Pay

implied

Added

Jun 1, 2026

App Concept

PartMatch Pro

A parts compatibility engine that not only cross-references OEM and aftermarket part numbers but also validates physical fitment by comparing connection types (e.g., port for external vs. internal expansion valve). It includes installation guidance and community-verified swaps.

Key Features

Search by OEM part number and get all aftermarket variants with physical difference callouts
Visual comparison side-by-side with annotation of connection types
Compatibility checker that tells you if a configuration change (e.g., internal vs. external TXV) is feasible
Community-verified workaround database with photos and installation notes

Target Users: DIY car owners and independent mechanics working on Nissan vehicles, especially older models with specific AC configurations

Revenue Model: Freemium with $9.99/month pro tier for unlimited part comparisons and community access

Existing Solutions Mentioned

aftermarket parts databases

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