---
title: "bullet piercing valve — Niche Verdict: Worth a look (58/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/bullet-piercing-valve"
last_updated: "2026-07-13T21:37:20.199Z"
locale: en
meta:
  description: "bullet piercing valve shows searches that convert (8.0% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list."
  "og:description": "bullet piercing valve shows searches that convert (8.0% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list."
  "og:title": "bullet piercing valve — Niche Verdict: Worth a look (58/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **bullet piercing valve**

**Worth a look**

Shows searches that convert (8.0% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 17Growth 72Conversion 79Competition 60Returns 51Price range 75Avg price 79Brand share 75Review moat 72Quality gap 38

**Conversion**

**Great****8.0%**

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

**Avg price**

**Great****$16.52**

avg listing price — sweet spot $15–$100

**Brand share**

**Good****60%**

top-5 brand share — brands hold most of the demand

**Price range**

**Great****$5.31–$43.37**

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

**Growth**

**Good****+55.7%**

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

**Review moat**

**Good****627.63**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Good****49%**

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

**Returns**

**Good****3.0%**

return rate — above 6% kills the launch gate

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Market size**

**Bad****$69K**

$69K/yr · 53K searches

## **Competition**

The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**19 **▲rising

**Sellers**

**76**

**Top-5 brand share**

**60%**

**Open market**

**33%**

- Boltigen19% - Supco14% - Chinco10% - Lichamp10% - FANOVO8% - Mudder7%

## **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%4%$3K8%$6K12%$8K16%$11K1101001K10K 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![Boltigen 2pcs BPV31D Bullet Piercing Valve Kit-BPV-31 Refrigerator Tap Valve Set-Line Tap Valve Kit for 1/4 Inch 5/16 Inch 3/8 Inch Outside Diameter Universal Refrigerator Tube](https://m.media-amazon.com/images/I/41eicAGzW4L.jpg)**Boltigen 2pcs BPV31D Bullet Piercing Valve Kit-BPV-31 Refrigerator Tap Valve Set-Line Tap Valve Kit for 1/4 Inch 5/16 Inch 3/8 Inch Outside Diameter Universal Refrigerator Tube**Boltigen**$10.08**4.5★257 rev](https://www.amazon.com/dp/B0C6DKR6BS) [2![Lichamp A/C R134A Refrigerator Freon Recharge Kit with Bullet Piercing Valve Piercing and Self-Sealing Can Tap 134A](https://m.media-amazon.com/images/I/41qehfEX+ML.jpg)**Lichamp A/C R134A Refrigerator Freon Recharge Kit with Bullet Piercing Valve Piercing and Self-Sealing Can Tap 134A**Lichamp**$28.45**4.4★1,517 rev](https://www.amazon.com/dp/B08B43ZBTW) [3![Chinco 2 Sets Piercing Valve Kits Bpv-31 Refrigerator Tap Valve Compatible with 1/4 5/16 and 3/8 Inch Outside Diameter Pipes Replace for Ap4502525 Bpv31d Gpv14 Gpv31 Gpv38 Gpv56 Mpv31](https://m.media-amazon.com/images/I/51KibibrifL.jpg)**Chinco 2 Sets Piercing Valve Kits Bpv-31 Refrigerator Tap Valve Compatible with 1/4 5/16 and 3/8 Inch Outside Diameter Pipes Replace for Ap4502525 Bpv31d Gpv14 Gpv31 Gpv38 Gpv56 Mpv31**Chinco**$11.58**4.5★2,086 rev](https://www.amazon.com/dp/B07Q1G22YJ) [4![Supco BPV31 Bullet Piercing Valve Silver](https://m.media-amazon.com/images/I/41lWp5bOVbL.jpg)**Supco BPV31 Bullet Piercing Valve Silver**Supco**$7.12**4.6★4,058 rev](https://www.amazon.com/dp/B00DM8J3MI) [5![Bullet Piercing Valve Kits with Dust Cap Converts R12 to R134a Fit 7/16 Inch Low Side Port BPV-31 Bullet Piercing Tap Valve Replace for AP4502525 BPV31D GPV14 GPV31 GPV38 GPV56 MPV31 (1 Set)](https://m.media-amazon.com/images/I/41V+XwyaUhL.jpg)**Bullet Piercing Valve Kits with Dust Cap Converts R12 to R134a Fit 7/16 Inch Low Side Port BPV-31 Bullet Piercing Tap Valve Replace for AP4502525 BPV31D GPV14 GPV31 GPV38 GPV56 MPV31 (1 Set)**Mudder**$9.36**4.4★1,869 rev](https://www.amazon.com/dp/B07W5PC7DC)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Gosknor 4pcs BPV-31 Bullet Piercing Valve & 4 Hex Key & 8 Adapter Refrigerator Line Tap Valve Compatible with 1/4 5/16 3/8 Outer Diameter Pipes Replace TJ90BPV31 AP4502525 BPV31D GPV14 MPV31](https://m.media-amazon.com/images/I/41tfuh-7mOL.jpg)**Gosknor 4pcs BPV-31 Bullet Piercing Valve & 4 Hex Key & 8 Adapter Refrigerator Line Tap Valve Compatible with 1/4 5/16 3/8 Outer Diameter Pipes Replace TJ90BPV31 AP4502525 BPV31D GPV14 MPV31**Gosknor**$16.35**39 rev3mo ago](https://www.amazon.com/dp/B0GWCL12YC) [![BesNPT Bullet Piercing Valve Kits with Dust Cap Compatible with 1/4 5/16 and 3/8 Inch OD Low Side Port BPV-31 Bullet Piercing Tap Valve](https://m.media-amazon.com/images/I/41TSanWp6qL.jpg)**BesNPT Bullet Piercing Valve Kits with Dust Cap Compatible with 1/4 5/16 and 3/8 Inch OD Low Side Port BPV-31 Bullet Piercing Tap Valve**BesNPT**$9.30**3 rev8mo ago](https://www.amazon.com/dp/B0FX51HQ81) [![FrigeSwift 4 Pack BPV-31 Valve Kits Piercing Refrigerator Line Tap Valve](https://m.media-amazon.com/images/I/41muAlWdG7L.jpg)**FrigeSwift 4 Pack BPV-31 Valve Kits Piercing Refrigerator Line Tap Valve**FRIGESWIFT**$12.98**10 rev11mo ago](https://www.amazon.com/dp/B0FMCZXCGW) [![Adehoei Bullet Piercing Valve Kit- BPV-31 Refrigerator Tap Valve Set-Line Tap Valve Kit for 1/4 Inch 5/16 Inch 3/8 Inch Outside Diameter Universal Refrigerator Tube (4 pack)](https://m.media-amazon.com/images/I/41z5je31jSL.jpg)**Adehoei Bullet Piercing Valve Kit- BPV-31 Refrigerator Tap Valve Set-Line Tap Valve Kit for 1/4 Inch 5/16 Inch 3/8 Inch Outside Diameter Universal Refrigerator Tube (4 pack)**Adehoei**$14.05**33 rev1y ago](https://www.amazon.com/dp/B0F43LDZ6X) [![Gosknor 10pcs BPV-31 Bullet Piercing Valve & 10 Hex Key & 20 Adapter Refrigerator Line Tap Valve Compatible with 1/4 5/16 3/8 Outer Diameter Pipes Replace TJ90BPV31 AP4502525 BPV31D GPV14 MPV31](https://m.media-amazon.com/images/I/51aDeUnNlKL.jpg)**Gosknor 10pcs BPV-31 Bullet Piercing Valve & 10 Hex Key & 20 Adapter Refrigerator Line Tap Valve Compatible with 1/4 5/16 3/8 Outer Diameter Pipes Replace TJ90BPV31 AP4502525 BPV31D GPV14 MPV31**Gosknor**$25.35**45 rev1y ago](https://www.amazon.com/dp/B0F2F87XY6)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Gosknor 4pcs BPV-31 Bullet Piercing Valve & 4 Hex Key & 8 Adapter Refrigerator Line Tap Valve Compatible with 1/4 5/16 3/8 Outer Diameter Pipes Replace TJ90BPV31 AP4502525 BPV31D GPV14 MPV31](https://m.media-amazon.com/images/I/41tfuh-7mOL.jpg)**Gosknor 4pcs BPV-31 Bullet Piercing Valve & 4 Hex Key & 8 Adapter Refrigerator Line Tap Valve Compatible with 1/4 5/16 3/8 Outer Diameter Pipes Replace TJ90BPV31 AP4502525 BPV31D GPV14 MPV31**Gosknor**$16.35**4.7★**▲ 231%**](https://www.amazon.com/dp/B0GWCL12YC) [![BesNPT Bullet Piercing Valve Kits with Dust Cap Compatible with 1/4 5/16 and 3/8 Inch OD Low Side Port BPV-31 Bullet Piercing Tap Valve](https://m.media-amazon.com/images/I/41TSanWp6qL.jpg)**BesNPT Bullet Piercing Valve Kits with Dust Cap Compatible with 1/4 5/16 and 3/8 Inch OD Low Side Port BPV-31 Bullet Piercing Tap Valve**BesNPT**$9.30**5.0★**▲ 179%**](https://www.amazon.com/dp/B0FX51HQ81) [![10Pack BPV31 Bullet Piercing Valve Piercing Valve for Refrigerator Compatible with 1/4 5/16 3/8 Inch Outer Diameter Pipe Replace AP4502525 BPV31D GPV14 GPV31 GPV38 GPV56 MPV31](https://m.media-amazon.com/images/I/51Ubqixvz5L.jpg)**10Pack BPV31 Bullet Piercing Valve Piercing Valve for Refrigerator Compatible with 1/4 5/16 3/8 Inch Outer Diameter Pipe Replace AP4502525 BPV31D GPV14 GPV31 GPV38 GPV56 MPV31**Wadoy**$24.97**4.5★**▲ 140%**](https://www.amazon.com/dp/B0GF7KZ4P7) [![Chinco 2 Sets Piercing Valve Kits Bpv-31 Refrigerator Tap Valve Compatible with 1/4 5/16 and 3/8 Inch Outside Diameter Pipes Replace for Ap4502525 Bpv31d Gpv14 Gpv31 Gpv38 Gpv56 Mpv31](https://m.media-amazon.com/images/I/51KibibrifL.jpg)**Chinco 2 Sets Piercing Valve Kits Bpv-31 Refrigerator Tap Valve Compatible with 1/4 5/16 and 3/8 Inch Outside Diameter Pipes Replace for Ap4502525 Bpv31d Gpv14 Gpv31 Gpv38 Gpv56 Mpv31**Chinco**$11.58**4.5★**▲ 137%**](https://www.amazon.com/dp/B07Q1G22YJ) [![Adehoei Bullet Piercing Valve Kit- BPV-31 Refrigerator Tap Valve Set-Line Tap Valve Kit for 1/4 Inch 5/16 Inch 3/8 Inch Outside Diameter Universal Refrigerator Tube (4 pack)](https://m.media-amazon.com/images/I/41z5je31jSL.jpg)**Adehoei Bullet Piercing Valve Kit- BPV-31 Refrigerator Tap Valve Set-Line Tap Valve Kit for 1/4 Inch 5/16 Inch 3/8 Inch Outside Diameter Universal Refrigerator Tube (4 pack)**Adehoei**$14.05**4.7★**▲ 119%**](https://www.amazon.com/dp/B0F43LDZ6X)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +55.7% search growth over the last 90 days.

2K1KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jun, Jul, Aug · busiest ÷ quietest = 3.0×

## **Reviews**

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

### **What buyers love **

**Ease Of Use**14%

*“Easy to use”*

**Value For Money**13%

*“fair price”*

**Advertised Vs Actual Product**12%

*“As advertised”*

**Quality-Overall**11%

*“Kit is complete, great quality”*

**Efficiency**10%

*“Worked perfectly”*

**Coolant**7%

*“everything is cool”*

**Functionality-Overall**6%

*“Other wise it does the job”*

**Leak-Proof**5%

*“Simple, non leaking, and allowed me to recharge a frig with r600a”*

**Size-Overall**4%

*“Perfect Fit”*

**Maintenance And Repair**4%

*“Fixed my fridge”*

### **What buyers complain about **

**Leak-Proof**26%

*“I had refrigerant leaking from the sides”*

**Quality-Overall**17%

*“Cheap Junk Worked With Modification”*

**Charging**14%

*“the car AC is not charged up also”*

**Windshield Issues**7%

*“If you are handy you can save window unit AC”*

**Functionality-Overall**7%

*“The valve didn't work properly turning on”*

**Pressure**4%

*“The gauge never showed the pressure”*

**Defective Material/Parts**4%

*“Maybe it was just a bad unit”*

**Metal Quality**4%

*“This product is made from cheap cast metal”*

**Size-Overall**2%

*“Poor fits”*

**Measurement/Reading Accuracy**2%

*“I can't vouch for how accurate the gauge was to a calibration standard”*

### **Top return reasons **

**Size-Overall**36%

**Compatibility-Overall**12%

**Functionality-Overall**8%

**Defective Material/Parts**8%

**Leak-Proof**6%

**Advertised Vs Actual Product**4%

**Quality-Overall**4%

**Value For Money**3%

**Connectivity-Overall**3%

**Charging**3%