---
title: "briggs and stratton 500e series parts — Niche Verdict: Worth a look (60/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/briggs-and-stratton-500e-series-parts"
last_updated: "2026-07-14T00:00:47.838Z"
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  description: "briggs and stratton 500e series parts shows demand growing +232.2% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list."
  "og:description": "briggs and stratton 500e series parts shows demand growing +232.2% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list."
  "og:title": "briggs and stratton 500e series parts — Niche Verdict: Worth a look (60/100) | Amazon United States - Flapen"
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# **briggs and stratton 500e series parts**

**Worth a look**

Shows demand growing +232.2% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 10Growth 98Conversion 93Competition 28Returns 94Price range 67Avg price 77Brand share 55Review moat 86Quality gap 40

**Growth**

**Incredible****+232.2%**

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

**Returns**

**Great****1.0%**

return rate — above 6% kills the launch gate

**Conversion**

**Great****11.4%**

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

**Review moat**

**Great****273.07**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Great****$15.64**

avg listing price — sweet spot $15–$100

**Price range**

**Good****$11.66–$21.79**

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

**Brand share**

**Good****72%**

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

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Competition**

**Okay****68%**

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

**Market size**

**Bad****$42K**

$42K/yr · 23K searches

## **Competition**

The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**12 **▼falling

**Sellers**

**15**

**Top-5 brand share**

**72%**

**Open market**

**18%**

- Aylux29% - Gioong11% - TIMEPAL11% - Topkidame11% - BICRA10% - BioLion10% - Open — no brand owns it (6 brands, 18%)

## **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%10%$4K20%$8K30%$13K40%$17K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 15 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Aylux 799583 593261 Carburetor Kits for B&S 595656 591979 591160 08P502 8P502 09P602 9P602 300E 450E 500E 550EX Series Engines with 799579 Filter 595660 Cover](https://m.media-amazon.com/images/I/41h2k6gcbEL.jpg)**Aylux 799583 593261 Carburetor Kits for B&S 595656 591979 591160 08P502 8P502 09P602 9P602 300E 450E 500E 550EX Series Engines with 799579 Filter 595660 Cover**Aylux**$19.55**4.6★487 rev](https://www.amazon.com/dp/B0CSYSRZ12) [2![799583 Carburetor Replace OE Part # 590556 591160 591979 593261 595656 for 300E 450E 500E 550E 08P502 8P502 09P602 9P602 09P702 Engines Lawnmower 4-Cycle Outdoor Power Equipment with 799579 Air Filter](https://m.media-amazon.com/images/I/41NiKtLafuL.jpg)**799583 Carburetor Replace OE Part # 590556 591160 591979 593261 595656 for 300E 450E 500E 550E 08P502 8P502 09P602 9P602 09P702 Engines Lawnmower 4-Cycle Outdoor Power Equipment with 799579 Air Filter**TIMEPAL**$19.56**4.4★51 rev](https://www.amazon.com/dp/B0F4R72F7R) [3![799583 Carburetor for 300E 450E 500E 550E 550EX 08P502 8P502 09P602 9P602 Series Engines Replace 593261 595656 591979 591160 Carb with 799579 Air Filter Tune Up Kit](https://m.media-amazon.com/images/I/415vYmzTESL.jpg)**799583 Carburetor for 300E 450E 500E 550E 550EX 08P502 8P502 09P602 9P602 Series Engines Replace 593261 595656 591979 591160 Carb with 799579 Air Filter Tune Up Kit**Topkidame**$21.79**4.6★31 rev](https://www.amazon.com/dp/B0FG26J518) [4![Carburetor for 300E 450E 500E 550EX 500 125cc 140cc 08P502 8P502 09P602 9P602 Lawn Mower Engine Replace OE # 799583](https://m.media-amazon.com/images/I/41acUsRARyL.jpg)**Carburetor for 300E 450E 500E 550EX 500 125cc 140cc 08P502 8P502 09P602 9P602 Lawn Mower Engine Replace OE # 799583**BICRA**$13.20**4.7★622 rev](https://www.amazon.com/dp/B0BX9LJX8Z) [5![595656 Carburetor Fit for Briggs & Stratton 799583 591323 595656 591979 591160 Carb Fit for 300E 450E 500E 550EX 500 125cc 140cc 08P502 8P502 09P602 9P602 Engine Replacement OE# 799583](https://m.media-amazon.com/images/I/41i3w4i7EEL.jpg)**595656 Carburetor Fit for Briggs & Stratton 799583 591323 595656 591979 591160 Carb Fit for 300E 450E 500E 550EX 500 125cc 140cc 08P502 8P502 09P602 9P602 Engine Replacement OE# 799583**Gioong**$13.85**4.5★274 rev](https://www.amazon.com/dp/B0D5Y2T46B)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![799583 Carburetor for 300E 450E 500E 550E 550EX 08P502 8P502 09P602 9P602 Series Engines Replace 593261 595656 591979 591160 Carb with 799579 Air Filter Tune Up Kit](https://m.media-amazon.com/images/I/415vYmzTESL.jpg)**799583 Carburetor for 300E 450E 500E 550E 550EX 08P502 8P502 09P602 9P602 Series Engines Replace 593261 595656 591979 591160 Carb with 799579 Air Filter Tune Up Kit**Topkidame**$21.79**31 rev1y ago](https://www.amazon.com/dp/B0FG26J518) [![799583 Carburetor for 300E 450E 500E 550E 09P602 08P502 125cc 140cc Lawn Mower Engines Replace# 799583 595656 590556 591160 591979 593261](https://m.media-amazon.com/images/I/4100IEHYpTL.jpg)**799583 Carburetor for 300E 450E 500E 550E 09P602 08P502 125cc 140cc Lawn Mower Engines Replace# 799583 595656 590556 591160 591979 593261**BioLion**$14.43**27 rev1y ago](https://www.amazon.com/dp/B0F9WYYSZJ) [![799583 Carburetor for 300E 450E 500E 550E 125cc 140cc Series Engine Replace# 595656 590556 591160 591979 593261](https://m.media-amazon.com/images/I/41Kcgl2GvNL.jpg)**799583 Carburetor for 300E 450E 500E 550E 125cc 140cc Series Engine Replace# 595656 590556 591160 591979 593261**BioLion**$13.36**55 rev1y ago](https://www.amazon.com/dp/B0F9WQ4NYD) [![799583 Carburetor Parts for 300E 450E 500E 550E Series 08P502 09P602 125cc 140cc Lawnmower Engines Replace# 595656 590556 591979 593261 with 799579 Air Filter 595660 Cover](https://m.media-amazon.com/images/I/41dJNCUecSL.jpg)**799583 Carburetor Parts for 300E 450E 500E 550E Series 08P502 09P602 125cc 140cc Lawnmower Engines Replace# 595656 590556 591979 593261 with 799579 Air Filter 595660 Cover**BioLion**$20.22**45 rev1y ago](https://www.amazon.com/dp/B0F9WYBQK1) [![799583 Carburetor Replace OE Part # 590556 591160 591979 593261 595656 for 300E 450E 500E 550E 08P502 8P502 09P602 9P602 09P702 Engines Lawnmower 4-Cycle Outdoor Power Equipment with 799579 Air Filter](https://m.media-amazon.com/images/I/41NiKtLafuL.jpg)**799583 Carburetor Replace OE Part # 590556 591160 591979 593261 595656 for 300E 450E 500E 550E 08P502 8P502 09P602 9P602 09P702 Engines Lawnmower 4-Cycle Outdoor Power Equipment with 799579 Air Filter**TIMEPAL**$19.56**51 rev1y ago](https://www.amazon.com/dp/B0F4R72F7R)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![799583 Carburetor for 300E 450E 500E 550E 550EX 08P502 8P502 09P602 9P602 Series Engines Replace 593261 595656 591979 591160 Carb with 799579 Air Filter Tune Up Kit](https://m.media-amazon.com/images/I/415vYmzTESL.jpg)**799583 Carburetor for 300E 450E 500E 550E 550EX 08P502 8P502 09P602 9P602 Series Engines Replace 593261 595656 591979 591160 Carb with 799579 Air Filter Tune Up Kit**Topkidame**$21.79**4.6★**▲ 53%**](https://www.amazon.com/dp/B0FG26J518) [![799583 Carburetor Replace OE Part # 590556 591160 591979 593261 595656 for 300E 450E 500E 550E 08P502 8P502 09P602 9P602 09P702 Engines Lawnmower 4-Cycle Outdoor Power Equipment with 799579 Air Filter](https://m.media-amazon.com/images/I/41NiKtLafuL.jpg)**799583 Carburetor Replace OE Part # 590556 591160 591979 593261 595656 for 300E 450E 500E 550E 08P502 8P502 09P602 9P602 09P702 Engines Lawnmower 4-Cycle Outdoor Power Equipment with 799579 Air Filter**TIMEPAL**$19.56**4.4★**▲ 46%**](https://www.amazon.com/dp/B0F4R72F7R) [![595656 Carburetor Fit for Briggs & Stratton 799583 591323 595656 591979 591160 Carb Fit for 300E 450E 500E 550EX 500 125cc 140cc 08P502 8P502 09P602 9P602 Engine Replacement OE# 799583](https://m.media-amazon.com/images/I/41i3w4i7EEL.jpg)**595656 Carburetor Fit for Briggs & Stratton 799583 591323 595656 591979 591160 Carb Fit for 300E 450E 500E 550EX 500 125cc 140cc 08P502 8P502 09P602 9P602 Engine Replacement OE# 799583**Gioong**$13.85**4.5★**▲ 28%**](https://www.amazon.com/dp/B0D5Y2T46B) [![595656 Carburetor Compatible with Briggs & Stratton 799583 590556 591160 591979 593261 08P502 8P502 09P602 9P602 300E 450E 500E 550EX Series Engines with 799579 Filter 595660 Cover](https://m.media-amazon.com/images/I/41ADbmdTwWL.jpg)**595656 Carburetor Compatible with Briggs & Stratton 799583 590556 591160 591979 593261 08P502 8P502 09P602 9P602 300E 450E 500E 550EX Series Engines with 799579 Filter 595660 Cover**Gioong**$12.03**3.9★**▲ 27%**](https://www.amazon.com/dp/B0DKTC7C38) [![Carburetor Fits for Briggs and Stratton 300E 450E 500E 550EX 500 125cc 140cc 08P502 8P502 09P602 9P602 Lawn Mower Engine Replace OE # 799583 593261 595656 591979 591160](https://m.media-amazon.com/images/I/41CwzKv3SvL.jpg)**Carburetor Fits for Briggs and Stratton 300E 450E 500E 550EX 500 125cc 140cc 08P502 8P502 09P602 9P602 Lawn Mower Engine Replace OE # 799583 593261 595656 591979 591160**BleeAciat**$13.15**4.5★**— 8%**](https://www.amazon.com/dp/B0D1XTTXTZ)

**~~View all trending →~~**

## **Demand**

Weekly Amazon search volume, last 10 weeks — +232.2% search growth over the last 90 days.

1K750May '26May '26May '26May '26May '26Jun '26Jun '26Jun '26Jun '26Jul '26

## **Reviews**

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

### **What buyers love **

**Size-Overall**28%

*“Exact fit”*

**Assembly/Installation**13%

*“Easy to assemble”*

**Value For Money**12%

*“Good price”*

**Advertised Vs Actual Product**10%

*“As advertised”*

**Quality-Overall**10%

*“Build quality looks solid for the price”*

**Efficiency**6%

*“runs great now”*

**Ease Of Use**4%

*“quick and easy”*

**Maintenance And Repair**2%

*“Easy to fix”*

**Product Condition**2%

*“Starts and runs like new”*

**Functionality-Overall**2%

*“New carb worked perfectly”*

### **What buyers complain about **

**Quality-Overall**13%

*“The housing is low quality”*

**Functionality-Overall**10%

*“Worked for about 30 minutes and now wont start”*

**Leak-Proof**9%

*“Leaking Gas”*

**Fuel Efficiency**9%

*“notjust flood your engine with fuel”*

**Durability**7%

*“Broken before I could use”*

**Defective Material/Parts**5%

*“this part was defective mower would not throttle up”*

**Instructions/User Manual/Troubleshooting**4%

*“no instructions are included”*

**Size-Overall**4%

*“Will not fit our generator I have”*

**Strength**4%

*“Engine runs really weak”*

**Value For Money**3%

*“Cheap, do NOT buy”*

### **Top return reasons **

**Size-Overall**31%

**Functionality-Overall**16%

**Defective Material/Parts**13%

**Compatibility-Overall**11%

**Leak-Proof**7%

**Advertised Vs Actual Product**5%

**Assembly/Installation**2%

**Motor Issues**2%

**Mechanism Issues**2%

**Fuel Efficiency**2%