---
title: "washer fluid cap — Niche Verdict: Worth a look (50/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/washer-fluid-cap"
last_updated: "2026-07-14T09:49:32.117Z"
locale: en
meta:
  description: "washer fluid cap shows beatable incumbent ratings (4.0★), but prices mostly outside the sweet spot ($3.87–$8.22) keeps it on the watch list."
  "og:description": "washer fluid cap shows beatable incumbent ratings (4.0★), but prices mostly outside the sweet spot ($3.87–$8.22) keeps it on the watch list."
  "og:title": "washer fluid cap — Niche Verdict: Worth a look (50/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **washer fluid cap**

**Worth a look**

Shows beatable incumbent ratings (4.0★), but prices mostly outside the sweet spot ($3.87–$8.22) keeps it on the watch list.

Market size 21Growth 14Conversion 87Competition 52Returns 63Price range 0Avg price 14Brand share 78Review moat 78Quality gap 95

**Quality gap**

**Incredible****4.0★**

avg incumbent rating — lower means beatable quality

**Conversion**

**Great****10.1%**

search→purchase rate — share of searches ending in a sale

**Brand share**

**Great****57%**

top-5 brand share — no brand owns this niche

**Review moat**

**Great****442.38**

avg incumbent reviews — the moat a new listing must climb

**Returns**

**Good****2.5%**

return rate — above 6% kills the launch gate

**Competition**

**Good****54%**

top-5 click share — leaders hold, buyers still browse

**Market size**

**Bad****$83K**

$83K/yr · 165K searches

**Growth**

**Bad****-21.7%**

90-day search growth — must beat 0% to launch

**Avg price**

**Bad****$4.97**

avg listing price — sweet spot $15–$100

**Price range**

**Bad****$3.87–$8.22**

cheapest to priciest tracked listing — scored on the share inside $15–$100

## **Competition**

The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**25 **▲rising

**Sellers**

**50**

**Top-5 brand share**

**57%**

**Open market**

**38%**

- KEVWR19% - Nudhfgauiyt11% - OTUAYAUTO11% - Toeeklsa10% - GM GENUINE PARTS6% - Tecledsn5%

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%5%$4K10%$8K15%$12K20%$17K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 32 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Car Wiper Bottle Cover Windshield Wiper Washer Fluid Reservoir Tank Bottle Cap Car Wiper Bottle Cover Replacement Cap Compatible with GMC Chevrolet Buick Cadillac OEM: 12767700 13227300](https://m.media-amazon.com/images/I/41RMdc0q63L.jpg)**Car Wiper Bottle Cover Windshield Wiper Washer Fluid Reservoir Tank Bottle Cap Car Wiper Bottle Cover Replacement Cap Compatible with GMC Chevrolet Buick Cadillac OEM: 12767700 13227300**KEVWR**$5.09**4.5★1,265 rev](https://www.amazon.com/dp/B0BZ4B96V8) [2![Windshield Wiper Washer Fluid Reservoir Tank Bottle Cap Cover For ChevroletFor Buick For Cadillac For GMCFor Chevrolet part of the model](https://m.media-amazon.com/images/I/41iMCDh4+YL.jpg)**Windshield Wiper Washer Fluid Reservoir Tank Bottle Cap Cover For ChevroletFor Buick For Cadillac For GMCFor Chevrolet part of the model**Nudhfgauiyt**$5.16**4.6★1,476 rev](https://www.amazon.com/dp/B0BRB2L62R) [3![OTUAYAUTO Windshield Wiper Washer Fluid Reservoir Tank Bottle Cap - for Chevrolet Buick GMC Cadillac - OEM#: 12767700 13227300 12788573 19172571](https://m.media-amazon.com/images/I/419rRNvfDnL.jpg)**OTUAYAUTO Windshield Wiper Washer Fluid Reservoir Tank Bottle Cap - for Chevrolet Buick GMC Cadillac - OEM#: 12767700 13227300 12788573 19172571**OTUAYAUTO**$5.26**4.1★1,726 rev](https://www.amazon.com/dp/B07QHTLF6B) [4![Washer Fluid Cap Windshield Wiper Washer Fluid Reservoir Tank Bottle Cap Replacement for GMC Chevrolet Cadillac Buick - OEM#: 12767700 13227300](https://m.media-amazon.com/images/I/31fWlh-yHVL.jpg)**Washer Fluid Cap Windshield Wiper Washer Fluid Reservoir Tank Bottle Cap Replacement for GMC Chevrolet Cadillac Buick - OEM#: 12767700 13227300**Toeeklsa**$4.95**4.1★571 rev](https://www.amazon.com/dp/B0D1XM9M22) [5![GM Genuine Parts 13227300 Windshield Washer Fluid Reservoir Cap](https://m.media-amazon.com/images/I/31B77j-+gZL.jpg)**GM Genuine Parts 13227300 Windshield Washer Fluid Reservoir Cap**GM GENUINE PARTS**$8.22**4.8★645 rev](https://www.amazon.com/dp/B07GYTHHY2)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Lxsloet Windshield Washer Fluid Reservoir Cap Windshield Wiper Covers Wiper Reservoir Tank Cap Washer Fluid Reservoir Bottle Cap for Ford Focus 2012-2018 Replaces OEM# KT1Z17632A CP9Z-17A605-A](https://m.media-amazon.com/images/I/41u-eBzMJ1L.jpg)**Lxsloet Windshield Washer Fluid Reservoir Cap Windshield Wiper Covers Wiper Reservoir Tank Cap Washer Fluid Reservoir Bottle Cap for Ford Focus 2012-2018 Replaces OEM# KT1Z17632A CP9Z-17A605-A**Lxsloet**$6.12**5 rev5mo ago](https://www.amazon.com/dp/B0GLYSPSD3) [![WZP Windshield Washer Fluid Cap Car Wiper Bottle Cover Replacement for 12767700 13227300 Windshield Wiper Washer Fluid Reservoir Tank Bottle Cap Compatible with GMC Chevy Buick Cadillac](https://m.media-amazon.com/images/I/41Hggk-czvL.jpg)**WZP Windshield Washer Fluid Cap Car Wiper Bottle Cover Replacement for 12767700 13227300 Windshield Wiper Washer Fluid Reservoir Tank Bottle Cap Compatible with GMC Chevy Buick Cadillac**WZP**$4.90**11 rev5mo ago](https://www.amazon.com/dp/B0GHWQNRTF) [![ESWW Windshield Washer Fluid Cap Windshield Wiper Fluid Reservoir Cap for VW Atlas Tiguan Jetta GTI Durable Leak-Proof Tank Bottle Lid Automotive Accessories Replacement #3Q0955455 (1PCS)](https://m.media-amazon.com/images/I/41v+n2xU9hL.jpg)**ESWW Windshield Washer Fluid Cap Windshield Wiper Fluid Reservoir Cap for VW Atlas Tiguan Jetta GTI Durable Leak-Proof Tank Bottle Lid Automotive Accessories Replacement #3Q0955455 (1PCS)**ESWW**$5.01**19 rev6mo ago](https://www.amazon.com/dp/B0GFW8H1ZK) [![SWQS Windshield Washer Fluid Reservoir Cap Replacement Car Wiper Bottle Cover for GMC Chevry Buick Cadillac Acadia Cruze Malibu Trax LaCrosse CTS ATS XTS OEM 13227300 12767700 19172571 12788573](https://m.media-amazon.com/images/I/41N-ZbGRIQL.jpg)**SWQS Windshield Washer Fluid Reservoir Cap Replacement Car Wiper Bottle Cover for GMC Chevry Buick Cadillac Acadia Cruze Malibu Trax LaCrosse CTS ATS XTS OEM 13227300 12767700 19172571 12788573**SWQS**$4.13**51 rev9mo ago](https://www.amazon.com/dp/B0FT32H4HP) [![Biabari 2PCS Windshield Washer Fluid Reservoir Cap Leak-Proof Windshield Wiper Fluid Cap OE# 13227300 19172571 12767700 12788573 Fits GMC/Chevy Silverado/Cadillac ATS/Buick](https://m.media-amazon.com/images/I/413V4mERkVL.jpg)**Biabari 2PCS Windshield Washer Fluid Reservoir Cap Leak-Proof Windshield Wiper Fluid Cap OE# 13227300 19172571 12767700 12788573 Fits GMC/Chevy Silverado/Cadillac ATS/Buick**Biabari**$4.38**159 rev10mo ago](https://www.amazon.com/dp/B0FQQ5C47Z)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Lxsloet Windshield Washer Fluid Reservoir Cap Windshield Wiper Covers Wiper Reservoir Tank Cap Washer Fluid Reservoir Bottle Cap for Ford Focus 2012-2018 Replaces OEM# KT1Z17632A CP9Z-17A605-A](https://m.media-amazon.com/images/I/41u-eBzMJ1L.jpg)**Lxsloet Windshield Washer Fluid Reservoir Cap Windshield Wiper Covers Wiper Reservoir Tank Cap Washer Fluid Reservoir Bottle Cap for Ford Focus 2012-2018 Replaces OEM# KT1Z17632A CP9Z-17A605-A**Lxsloet**$6.12**3.3★**▲ 330%**](https://www.amazon.com/dp/B0GLYSPSD3) [![WZP Windshield Washer Fluid Cap Car Wiper Bottle Cover Replacement for 12767700 13227300 Windshield Wiper Washer Fluid Reservoir Tank Bottle Cap Compatible with GMC Chevy Buick Cadillac](https://m.media-amazon.com/images/I/41Hggk-czvL.jpg)**WZP Windshield Washer Fluid Cap Car Wiper Bottle Cover Replacement for 12767700 13227300 Windshield Wiper Washer Fluid Reservoir Tank Bottle Cap Compatible with GMC Chevy Buick Cadillac**WZP**$4.90**2.7★**▲ 283%**](https://www.amazon.com/dp/B0GHWQNRTF) [![runmade Windshield Washer Fluid Reservoir Cap Replacement for Ford Focus 2012-2018 CP9Z17A605A CP9Z-17A605-A KT1Z17632A](https://m.media-amazon.com/images/I/31BzRMpyjVL.jpg)**runmade Windshield Washer Fluid Reservoir Cap Replacement for Ford Focus 2012-2018 CP9Z17A605A CP9Z-17A605-A KT1Z17632A**runmade**$7.07**3.0★**▲ 263%**](https://www.amazon.com/dp/B0FH2YYYJG) [![ESWW Windshield Washer Fluid Cap Windshield Wiper Fluid Reservoir Cap for VW Atlas Tiguan Jetta GTI Durable Leak-Proof Tank Bottle Lid Automotive Accessories Replacement #3Q0955455 (1PCS)](https://m.media-amazon.com/images/I/41v+n2xU9hL.jpg)**ESWW Windshield Washer Fluid Cap Windshield Wiper Fluid Reservoir Cap for VW Atlas Tiguan Jetta GTI Durable Leak-Proof Tank Bottle Lid Automotive Accessories Replacement #3Q0955455 (1PCS)**ESWW**$5.01**4.3★**▲ 246%**](https://www.amazon.com/dp/B0GFW8H1ZK) [![SWQS Windshield Washer Fluid Reservoir Cap Replacement Car Wiper Bottle Cover for GMC Chevry Buick Cadillac Acadia Cruze Malibu Trax LaCrosse CTS ATS XTS OEM 13227300 12767700 19172571 12788573](https://m.media-amazon.com/images/I/41N-ZbGRIQL.jpg)**SWQS Windshield Washer Fluid Reservoir Cap Replacement Car Wiper Bottle Cover for GMC Chevry Buick Cadillac Acadia Cruze Malibu Trax LaCrosse CTS ATS XTS OEM 13227300 12767700 19172571 12788573**SWQS**$4.13**4.0★**▲ 156%**](https://www.amazon.com/dp/B0FT32H4HP)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -21.7% search growth over the last 90 days.

4K3KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Size-Overall**61%

*“Fit as it should”*

**Advertised Vs Actual Product**9%

*“Just as advertised”*

**Quality-Overall**7%

*“Great quality and easy to install”*

**Value For Money**5%

*“at a reasonable price”*

**Assembly/Installation**5%

*“it works fine once installed”*

**Efficiency**2%

*“works as it should”*

**Durability**2%

*“just not broken”*

**Ease Of Use**1%

*“super easy to put on”*

**Wet Cleaning**1%

*“Washer Fluid Cap works like it should”*

**Strength**1%

*“seems sturdy”*

### **What buyers complain about **

**Size-Overall**43%

*“its too big”*

**Compatibility-Overall**20%

*“Not Compatible”*

**Quality-Overall**7%

*“Quality not very good”*

**Advertised Vs Actual Product**7%

*“False advertisement”*

**Functionality-Overall**3%

*“Didn't work”*

**Defective Material/Parts**2%

*“Faulty product”*

**Strength**2%

*“Very brittle”*

**Durability**2%

*“seems it may break off eventually”*

**Material Quality**2%

*“Not made with appropriate material”*

**Ease Of Use**2%

*“Cant open”*

### **Top return reasons **

**Size-Overall**77%

**Compatibility-Overall**13%

**Advertised Vs Actual Product**4%

**Defective Material/Parts**2%

**Windshield Issues**1%

**Functionality-Overall**1%

**Value For Money**0%

**Assembly/Installation**0%

**Mechanism Issues**0%

**Shape/Style**0%