---
title: "Th350 Transmission Pan — $81K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/th350-transmission-pan"
last_updated: "2026-08-09T12:55:57.750Z"
locale: en
meta:
description: "Niche score 49/100 · $81K/yr market · 34K searches/yr · $62.63 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 49/100 · $81K/yr market · 34K searches/yr · $62.63 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Th350 Transmission Pan — $81K/yr Amazon US Niche (2026) - Flapen"
---
# **th350 transmission pan**
**Skip it**
A small market ($81K/yr) — this niche doesn't clear our bar today.
Market size 20Growth 50Conversion 47Competition 58Returns 53Price range 51Avg price 89Brand share 33Review moat 98Quality gap 47
**Review moat**
**Incredible****49.84**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Great****$62.63**
avg listing price — sweet spot $15–$100
**Competition**
**Good****50%**
top-5 click share — leaders hold, buyers still browse
**Returns**
**Good****2.9%**
return rate — above 5% kills the launch gate
**Price range**
**Good****$16.45–$179.69**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Okay****+19.8%**
90-day search growth — must beat 0% to launch
**Conversion**
**Okay****3.8%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Okay****85%**
top-5 brand share — brands hold most of the demand
**Market size**
**Bad****$81K**
$81K/yr · 34K searches
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, th350 transmission pan is a $81K/yr Amazon United States market (34K searches/yr). The top 5 brands hold 85% of demand. Demand peaks in Apr–May. Verdict: Skip it — 49/100.
Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **th350 transmission pan market data**
- **Units sold / yr**
- **1K–1K**
- avg 0–100/product
- **Revenue / yr**
- **$63K–$78K**
- units × avg price
- **Conversion rate**
- **3.8%**
- **Avg BSR**
- **#2,905**
- **Page quality**
- **0%**
- **Prime**
- **60%**
- **Sponsored**
- **68%**
- **Out of stock**
- **14.2%**
- **Avg brand age**
- **62 months**
- **Avg seller age**
- **214 days**
## **Competition & brand share**
The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**15 **▼falling
**Sellers**
**56**
**Top-5 brand share**
**85%**
Top 20: 100%
**Top-5 click share**
**50%**
Top 20: 95%
**Open market**
**11%**
- CFR Performance26% - Riyhch18% - JEGS16% - Speedway Motors13% - Speedmaster12% - A-Premium3% - Open — no brand owns it (9 brands, 11%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +19.8% search growth over the last 90 days.
800600Spike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May · busiest ÷ quietest = 1.9×
[**Open Trend **](https://flapen.com/research/us/automotive/th350-transmission-pan/trend)
## **Top th350 transmission pan search terms**
- **th350 transmission pan**19K/yr+17.8%3.0% conv. - **turbo 350 transmission pan**9K/yr+21.0%3.2% conv. - **th350 pan**6K/yr+24.3%2.7% conv. [**All search terms **](https://flapen.com/research/us/automotive/th350-transmission-pan/search-terms)
## **Top th350 transmission pan products on Amazon**
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%$10K16%$13K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Riyhch Transmission Oil Pan with Drain Plug for GM TH250 TH250C TH350 TH350C Pan Depth 2-1/4 #OE SP8491BK**Riyhch**$89.08**4.0★38 rev](https://www.amazon.com/dp/B0F674RFSM) [2**Compatible/Replacement for CHEVY/GM TURBO TH-350 STEEL TRANSMISSION PAN - ZINC**CFR Performance**$40.11**4.3★64 rev](https://www.amazon.com/dp/B01N9MIS9B) [3**Black Steel GM TH-350 Transmission Pan 2-Inch Deep Stock Capacity Premium Steel Construction Black Painted Finish Includes Drain Plug Durable Replacement Pan**Speedway Motors**$32.29**4.6★239 rev](https://www.amazon.com/dp/B075NMWXF1) [4**JEGS Aluminum Transmission Oil Pan - Fits GM/Chevrolet TH350 Transmissions & 350 Turbo Transmission - Black Finned Finish - Overall Depth 2 1/4 Inches**JEGS**$86.64**4.6★60 rev](https://www.amazon.com/dp/B01LYCDSM3) [5**Compatible/Replacement for CHEVY/GM TURBO TH-350 STEEL TRANSMISSION PAN - BLACK**CFR Performance**$38.83**4.7★35 rev](https://www.amazon.com/dp/B01N0VRCGH)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**careNEW Reusable Transmission Pan Gasket for GM Turbo 350 (TH350) - Upgraded Steel Core & Rubber Seal Compatible with Moroso 93102 Heavy Duty Leak-Proof Oil Pan Gasket**careNEW**$24.63**10 rev6mo ago](https://www.amazon.com/dp/B0GC684B7H) [**350 Transmission Oil Pan Gasket for GM Turbo 350 TH350 Compatible with Moroso 93102 Gasket New Upgraded Automotive th350 Turbo Trans Pan Gaskets**DCNWLBB**$24.50**1 rev7mo ago](https://www.amazon.com/dp/B0G58FNS1Y) [**Transmission Oil Pan Gasket for GM Turbo 350 Transmission Pan Gasket Compatible with Moroso 93102 and TH350 Pan Gasket**Vilapow**$26.01**10 rev7mo ago](https://www.amazon.com/dp/B0G2YCBJH2) [**93102 Transmission Oil Pan Gasket for GM Turbo 350 Reusable Pan Gasket Compatible with Moroso Achieves Superior Sealing Performance**Walrusea**$16.45**3 rev10mo ago](https://www.amazon.com/dp/B0FP4NFQ5F) [**Riyhch Transmission Oil Pan with Drain Plug for GM TH350 TH350C TH250 TH250C Polished Finned Aluminum Depth 2-1/4 #OE SP8491**Riyhch**$86.34**38 rev11mo ago](https://www.amazon.com/dp/B0FFGVRCVT)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**93102 Transmission Oil Pan Gasket for GM Turbo 350 Reusable Pan Gasket Compatible with Moroso Achieves Superior Sealing Performance**Walrusea**$16.45**5.0★**▲ 164%**](https://www.amazon.com/dp/B0FP4NFQ5F) [**careNEW Reusable Transmission Pan Gasket for GM Turbo 350 (TH350) - Upgraded Steel Core & Rubber Seal Compatible with Moroso 93102 Heavy Duty Leak-Proof Oil Pan Gasket**careNEW**$24.63**4.6★**▲ 158%**](https://www.amazon.com/dp/B0GC684B7H) [**JEGS Fabricated Aluminum Transmission Pan TH350**JEGS**$63.11**4.1★**▲ 144%**](https://www.amazon.com/dp/B06XWWB8N8) [**350 Transmission Oil Pan Gasket for GM Turbo 350 TH350 Compatible with Moroso 93102 Gasket New Upgraded Automotive th350 Turbo Trans Pan Gaskets**DCNWLBB**$24.50**5.0★**▲ 113%**](https://www.amazon.com/dp/B0G58FNS1Y) [**JEGS Aluminum Transmission Pan | Fits GM TH-350 Transmissions | Cast Aluminum Finned Finish | Overall Depth 3 1/2 Inches | +2 Quarts**JEGS**$153.75**5.0★**▲ 103%**](https://www.amazon.com/dp/B078WHPM74)
**~~View all trending →~~**
## **What buyers say about th350 transmission pan**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**29%
*“Reliable part”*
**Leak-Proof**17%
*“NO MORE LEAKS”*
**Size-Overall**15%
*“Fit perfectly”*
**Advertised Vs Actual Product**9%
*“Just as described”*
**Value For Money**6%
*“Very affordable”*
**Thickness**5%
*“very thick”*
**Strength**4%
*“Drain pan seems to be sturdy”*
**Efficiency**4%
*“Works fine”*
**Design-Overall**3%
*“Can't say I love the filter design”*
**Durability**2%
*“durable feels like it will stand up”*
### **What buyers complain about **
**Leak-Proof**29%
*“Leaked”*
**Quality-Overall**14%
*“Cheaper isn't better”*
**Size-Overall**12%
*“I thought it wouldnt fit”*
**Advertised Vs Actual Product**9%
*“Although it shows a stamped pan in one of the photos”*
**Mounting**7%
*“Do not buy horrible surface finish on mounting surface of pan”*
**Compression**4%
*“it did not compress the washer well”*
**Design-Overall**4%
*“Horrible design, way too thick to use with a stock pan and stock bolts”*
**Material Quality**4%
*“Material is relatively hard which means you have to torque a bolt with less than 1/3 of its length attempting to clamp”*
**Flatness**2%
*“The flange was flat”*
**Assembly/Installation**1%
*“as it's pretty stupid to install”*
### **Top return reasons **
**Size-Overall**34%
**Leak-Proof**15%
**Advertised Vs Actual Product**9%
**Compatibility-Overall**9%
**Defective Material/Parts**4%
**Quality-Overall**4%
**Material Quality**3%
**Width**3%
**Thickness**3%
**Product Condition**2%
## **Common questions**
- **Is th350 transmission pan profitable to sell on Amazon United States?**
- The niche generates $81K/yr across 25 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is +19.8%. Flapen's verdict: Skip it (49/100).
- **How competitive is the th350 transmission pan niche?**
- 15 brands and 56 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 85% of demand.
- **What do buyers complain about in th350 transmission pan?**
- Top complaints mined from reviews: Leak-Proof, Quality-Overall, Size-Overall. The return rate is 2.9%.
- **When does demand for th350 transmission pan peak?**
- Demand peaks in Apr–May; the busiest month runs 1.9× the quietest.
- **What does it cost to enter the th350 transmission pan niche?**
- Listings span $16.45–$179.69; the average listing price is $62.63 (sweet spot $15–$100). The average incumbent carries 50 reviews — the moat a new listing must climb.
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