---
title: "th350 dipstick — Niche Verdict: Skip it (49/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/th350-dipstick"
last_updated: "2026-07-09T23:55:16.275Z"
locale: en
meta:
  description: "a small market ($43K/yr) — th350 dipstick doesn't clear our bar today."
  "og:description": "a small market ($43K/yr) — th350 dipstick doesn't clear our bar today."
  "og:title": "th350 dipstick — Niche Verdict: Skip it (49/100) | Amazon United States - Flapen"
---

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# **th350 dipstick**

**Skip it****49/100 **

a small market ($43K/yr) — th350 dipstick doesn't clear our bar today.

**Market/yr**

**$43K**

**Growth (1y)**

**+239.9%**

**Products**

**18**

**Brands**

**13**

was 17 a year ago

**Sellers**

**82**

**Price range**

**$16.70–$62.30**

**Returns**

**3.2%**

**Rating**

**3.8★**

**Skip it**

Scored 49/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns

Market size

**2**

 ×0.30

Growth

**81**

 ×0.30

Competition

**38**

 ×0.20

Quality gap

**90**

 ×0.10

Returns

**75**

 ×0.10

## **Demand**

Weekly Amazon search volume, last 60 weeks — +239.9% year over year.

736368Spike '25Spike '26May '25Jul '25Oct '25Dec '25Feb '26May '26

## **Seasonality**

Monthly demand index across the year — 1.00 is average.

JFMAMJJASOND

No pronounced peak months · busiest ÷ quietest = 1.4×

## **Competition**

- HAHAHA45% - ProForm19% - Allstar Performance9% - AXGSRV5% - Mr. Gasket3% - UOIENRT3% - Other (7 brands)15%

The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them. 13 brands and 82 sellers compete here.

**Brands**

**13 **▼falling

was 17 a year ago

**Sellers**

**82**

**Top 5 brand share**

**82%**

#ProductBrandPriceRatingReviewsClick shareTrend

1
![HAHAHA -TH350/TH400 Dipstick Turbo 350/400 Firewall Mounted Flex Transmission Oil Dipstick Compatible with GM/Chevy (Black)](https://m.media-amazon.com/images/I/31Wp2n9I0oL.jpg) [**HAHAHA -TH350/TH400 Dipstick Turbo 350/400 Firewall Mounted Flex Transmission Oil Dipstick Compatible with GM/Chevy (Black)**](https://www.amazon.com/dp/B0CKDV9XG8)

HAHAHA$34.544.3★12328%▼falling

2
![HAHAHA TH350 TH400 Turbo350 Firewall Mounted Flex Transmission Dipstick TH350/TH400 Stainless Braided Hose Compatible with GM/Chevy TH350/TH400 (Silver)](https://m.media-amazon.com/images/I/41jYFtNeQ8L.jpg) [**HAHAHA TH350 TH400 Turbo350 Firewall Mounted Flex Transmission Dipstick TH350/TH400 Stainless Braided Hose Compatible with GM/Chevy TH350/TH400 (Silver)**](https://www.amazon.com/dp/B0CKDVX1PY)

HAHAHA$29.054.3★11212%—flat

3
![ProForm 66181 TH350 Locking Dipstick and Tube](https://m.media-amazon.com/images/I/311WH97rj8L.jpg) [**ProForm 66181 TH350 Locking Dipstick and Tube**](https://www.amazon.com/dp/B00C7PTMFU)

ProForm$38.664.4★22312%—flat

4
![ProForm 66182 TH400 Locking Dipstick and Tube](https://m.media-amazon.com/images/I/31FTtTYhzIL.jpg) [**ProForm 66182 TH400 Locking Dipstick and Tube**](https://www.amazon.com/dp/B00C7PTO4Y)

ProForm$37.094.2★1548%▲rising

5
![AXGSRV TH350 TH400 Turbo350 Firewall Mounted Flex Transmission Dipstick TH350/TH400 Stainless Braided Hose Compatible with GM/Chevy TH350/TH400 Replaces 700R4 Dipstick Rubber Transmission Dip Stick](https://m.media-amazon.com/images/I/3178tboeObL.jpg) [**AXGSRV TH350 TH400 Turbo350 Firewall Mounted Flex Transmission Dipstick TH350/TH400 Stainless Braided Hose Compatible with GM/Chevy TH350/TH400 Replaces 700R4 Dipstick Rubber Transmission Dip Stick**](https://www.amazon.com/dp/B0G24H1WXD)

AXGSRV$17.652.1★55%▲rising

6
![Allstar Performance - ALL69110 TH-350 Locking Transmission Dipstick](https://m.media-amazon.com/images/I/21or8+ors0L.jpg) [**Allstar Performance - ALL69110 TH-350 Locking Transmission Dipstick**](https://www.amazon.com/dp/B009Q79XHE)

Allstar Performance$62.174.8★505%▲rising

7
![Allstar Performance ALL69112 Transmission Dipstick Locking Transmission Mount Solid Tube Steel Cadmium TH400 Each](https://m.media-amazon.com/images/I/313KppAfKBL.jpg) [**Allstar Performance ALL69112 Transmission Dipstick Locking Transmission Mount Solid Tube Steel Cadmium TH400 Each**](https://www.amazon.com/dp/B009Q79ZQI)

Allstar Performance$62.304.5★754%▲rising

8
![Mr. Gasket Th350 Trans Dipstick 27L Chrome](https://m.media-amazon.com/images/I/21H21JViOKL.jpg) [**Mr. Gasket Th350 Trans Dipstick 27L Chrome**](https://www.amazon.com/dp/B000BWCG9K)

Mr. Gasket$32.464.0★553%▲rising

9
![UOIENRT Transmission Dipstick Stainless Braided Hose Replacement for Chevy GM TH350 TH-400 700R4 Tranny SBC BBC Trans](https://m.media-amazon.com/images/I/31CmFODj7IL.jpg) [**UOIENRT Transmission Dipstick Stainless Braided Hose Replacement for Chevy GM TH350 TH-400 700R4 Tranny SBC BBC Trans**](https://www.amazon.com/dp/B0BV6NJGZW)

UOIENRT$18.063.7★573%▼falling

10

![Transmission Dipstick Stainless Steel Braided Hose Flexible Firewall Mount Compatible with TH350 TH400 700R4 for Chevy GM SBC BBC](https://m.media-amazon.com/images/I/413ZOp2NS6L.jpg) [**Transmission Dipstick Stainless Steel Braided Hose Flexible Firewall Mount Compatible with TH350 TH400 700R4 for Chevy GM SBC BBC**](https://www.amazon.com/dp/B07HRL1Q8L)

JahyShow$24.333.7★3023%▲rising

11

![Speedway Motors TH350 Transmission Chrome Dipstick 27 Inch Steel Tube with Chrome Handle Bellhousing Mount Style for GM TH350 Durable Replacement Dipstick for Show Cars](https://m.media-amazon.com/images/I/114pLMMQ-GL.jpg) [**Speedway Motors TH350 Transmission Chrome Dipstick 27 Inch Steel Tube with Chrome Handle Bellhousing Mount Style for GM TH350 Durable Replacement Dipstick for Show Cars**](https://www.amazon.com/dp/B075NDPRNT)

Speedway Motors$16.703.8★63%▲rising

12

![YESHMA Transmission Dipstick Stainless Braided Hose TH350 TH-400 700R4 Tranny SBC BBC 530mm Compatible with Chevy (Black)](https://m.media-amazon.com/images/I/31kCxBU7QTL.jpg) [**YESHMA Transmission Dipstick Stainless Braided Hose TH350 TH-400 700R4 Tranny SBC BBC 530mm Compatible with Chevy (Black)**](https://www.amazon.com/dp/B09YRDNK4R)

YESHMA$17.933.7★1243%—flat

13

![HAHAHA Upgraded Chrome TH350/TH400 Turbo350/400 Transmission Dipstick Firewall Mounted Flex Oil Dipstick Compatible with GM/Chevy TH350/TH400 Turbo350/400 Chrome.](https://m.media-amazon.com/images/I/31Z3nA1Gw4L.jpg) [**HAHAHA Upgraded Chrome TH350/TH400 Turbo350/400 Transmission Dipstick Firewall Mounted Flex Oil Dipstick Compatible with GM/Chevy TH350/TH400 Turbo350/400 Chrome.**](https://www.amazon.com/dp/B0DWSWVGWK)

HAHAHA$39.494.5★112%▼falling

14

![Flexible Transmission Dipstick Compatible with GM TH350 TH400 700R4 4L60E 4L80E with Firewall Mounted Stainless Steel Braided Hose](https://m.media-amazon.com/images/I/31sAQtpSZtL.jpg) [**Flexible Transmission Dipstick Compatible with GM TH350 TH400 700R4 4L60E 4L80E with Firewall Mounted Stainless Steel Braided Hose**](https://www.amazon.com/dp/B0DR2W1Q2T)

ROOTMUTIFY$20.572.6★152%▼falling

15

![HAHAHA 36 TH350 TH400 Transmission Dipstick Flex Stainless Braided Hose Firewall Mounted Compatible with GM Chevy TH350 TH400 Turbo 350/400 Universal Fit.36-Inch (Silver)](https://m.media-amazon.com/images/I/31LBiiHAMyL.jpg) [**HAHAHA 36 TH350 TH400 Transmission Dipstick Flex Stainless Braided Hose Firewall Mounted Compatible with GM Chevy TH350 TH400 Turbo 350/400 Universal Fit.36-Inch (Silver)**](https://www.amazon.com/dp/B0FN7LB4V2)

HAHAHA$39.864.1★102%▲rising

**~~Showing 15 of 18 — show all ~~**

## **Product shelf**

All 18 tracked products in this niche.

Top sellersNewestTrending

[![HAHAHA -TH350/TH400 Dipstick Turbo 350/400 Firewall Mounted Flex Transmission Oil Dipstick Compatible with GM/Chevy (Black)](https://m.media-amazon.com/images/I/31Wp2n9I0oL.jpg)**HAHAHA -TH350/TH400 Dipstick Turbo 350/400 Firewall Mounted Flex Transmission Oil Dipstick Compatible with GM/Chevy (Black)** HAHAHA**$34.54**4.3★123 reviews](https://www.amazon.com/dp/B0CKDV9XG8) [![HAHAHA TH350 TH400 Turbo350 Firewall Mounted Flex Transmission Dipstick TH350/TH400 Stainless Braided Hose Compatible with GM/Chevy TH350/TH400 (Silver)](https://m.media-amazon.com/images/I/41jYFtNeQ8L.jpg)**HAHAHA TH350 TH400 Turbo350 Firewall Mounted Flex Transmission Dipstick TH350/TH400 Stainless Braided Hose Compatible with GM/Chevy TH350/TH400 (Silver)** HAHAHA**$29.05**4.3★112 reviews](https://www.amazon.com/dp/B0CKDVX1PY) [![ProForm 66181 TH350 Locking Dipstick and Tube](https://m.media-amazon.com/images/I/311WH97rj8L.jpg)**ProForm 66181 TH350 Locking Dipstick and Tube** ProForm**$38.66**4.4★223 reviews](https://www.amazon.com/dp/B00C7PTMFU) [![ProForm 66182 TH400 Locking Dipstick and Tube](https://m.media-amazon.com/images/I/31FTtTYhzIL.jpg)**ProForm 66182 TH400 Locking Dipstick and Tube** ProForm**$37.09**4.2★154 reviews](https://www.amazon.com/dp/B00C7PTO4Y) [![AXGSRV TH350 TH400 Turbo350 Firewall Mounted Flex Transmission Dipstick TH350/TH400 Stainless Braided Hose Compatible with GM/Chevy TH350/TH400 Replaces 700R4 Dipstick Rubber Transmission Dip Stick](https://m.media-amazon.com/images/I/3178tboeObL.jpg)**AXGSRV TH350 TH400 Turbo350 Firewall Mounted Flex Transmission Dipstick TH350/TH400 Stainless Braided Hose Compatible with GM/Chevy TH350/TH400 Replaces 700R4 Dipstick Rubber Transmission Dip Stick** AXGSRV**$17.65**2.1★5 reviews](https://www.amazon.com/dp/B0G24H1WXD) [![Allstar Performance - ALL69110 TH-350 Locking Transmission Dipstick](https://m.media-amazon.com/images/I/21or8+ors0L.jpg)**Allstar Performance - ALL69110 TH-350 Locking Transmission Dipstick** Allstar Performance**$62.17**4.8★50 reviews](https://www.amazon.com/dp/B009Q79XHE) [![Allstar Performance ALL69112 Transmission Dipstick Locking Transmission Mount Solid Tube Steel Cadmium TH400 Each](https://m.media-amazon.com/images/I/313KppAfKBL.jpg)**Allstar Performance ALL69112 Transmission Dipstick Locking Transmission Mount Solid Tube Steel Cadmium TH400 Each** Allstar Performance**$62.30**4.5★75 reviews](https://www.amazon.com/dp/B009Q79ZQI) [![Mr. Gasket Th350 Trans Dipstick 27L Chrome](https://m.media-amazon.com/images/I/21H21JViOKL.jpg)**Mr. Gasket Th350 Trans Dipstick 27L Chrome** Mr. Gasket**$32.46**4.0★55 reviews](https://www.amazon.com/dp/B000BWCG9K)

## **Reviews**

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

### **What buyers love **

**Quality-Overall**29%

*“Best replacement dipstick”*

**Size-Overall**22%

*“Fit Perfect”*

**Leak-Proof**14%

*“No leaks”*

**Advertised Vs Actual Product**6%

*“Works as expected”*

**Assembly/Installation**6%

*“Installation was straightforward”*

**Shape/Style**5%

*“looks pretty”*

**Ease Of Use**5%

*“easy to do”*

**Strength**3%

*“Now its rock solid and works well”*

**Design-Overall**1%

*“The look and design of this dipstick is great”*

**Ease Of Cleaning**1%

*“It looks much cleaner in the engine bay”*

### **What buyers complain about **

**Size-Overall**23%

*“Doesnt fit a th 400 like it says”*

**Leak-Proof**19%

*“Leaks horribly”*

**Quality-Overall**18%

*“Bad quality control”*

**Natural Resource Wastage**5%

*“Waste of time and money”*

**Product Condition**5%

*“it was used”*

**Flexibility**5%

*“Gonna have to bend it to straighten it out”*

**Assembly/Installation**5%

*“Don't buy unless you want to repair it before installing”*

**Mounting**3%

*“Had to adjust the mounting tab as it was bent”*

**Measurement/Reading Accuracy**3%

*“This thing is WILDLY inaccurate”*

**Thickness**3%

*“Too thick to fit”*

#### **Top return reasons**- Size-Overall42% - Compatibility-Overall19% - Mounting7% - Defective Material/Parts6% - Leak-Proof5% - Advertised Vs Actual Product4% - Functionality-Overall4% - Add-Ons/Attachments2% - Adhesion/Stickiness2% - Assembly/Installation2%