Best Selling P21w Bulb: See Top Product Rankings by Sales Volume & Market Trends

July 2026
129 Products Tracked

Looking for the most popular p21w bulb products in the market? Our report leverages real Amazon monthly sales data to identify the best-performing products and the fastest-growing opportunities within the search results for the keyword "p21w bulb." Whether you're searching for winning products to launch or monitoring market trends and competitor performance, this report provides the insights you need.

Based on monthly sales analytics, our Shoppers' Top Picks highlights that ASIN B01FWOBX36 currently leads the p21w bulb market with 8K monthly sales, followed closely by B01FWOCST4 with 2K monthly sales and B01FWODHA8 with 1K monthly sales. By tracking competitor sales performance and shifts in market demand, sellers can uncover emerging opportunities and make more informed product and marketing decisions.

🏆Shoppers' Top PicksAmazon
by monthly sales July 2026
SYLVANIA - 7443 Long Life Miniature - Bulb, Ideal for Daytime Running Lights (DRL) and Back-Up/Reverse Lights (Contains 2 Bulbs)
1
B01FWOBX36
$7.24·
4.7
Units/sold8K
SYLVANIA - 2357 Long Life Miniature - Bulb, Ideal for Daytime Running Lights (DRL) and Back-Up/Reverse Lights (Contains 2 Bulbs)
2
B01FWOCST4
$7.20·
4.7
Units/sold2K
SYLVANIA - 1156 Long Life Miniature - Bulb, Ideal Option for Stop and Tail Lights (Contains 2 Bulbs)
3
B01FWODHA8
$5.85·
4.7
Units/sold1K

Top Selling P21w Bulb

As of July 2026, we analyzed 129 tracked products in Amazon's "p21w bulb" search results and generated the following sales chart and product rankings based on monthly sales data. The ranking below highlights the Top 10 products by estimated monthly sales. According to the latest data, these products generated between 700 and 8,000 monthly sales. B01FWOBX36 leads the p21w bulb market with an estimated 8,000 monthly sales, down 44.4% from the previous month.

129Products Tracked
1,720Top 10 Avg. Sales
$8.96Top 10 Avg. Price
4.6Top 10 Avg. Rating
🏆
SYLVANIA - 7443 Long Life Miniature - Bulb, Ideal for Daytime Running Lights (DRL) and Back-Up/Reverse Lights (Contains 2 Bulbs)
#1
B01FWOBX36

SYLVANIA - 7443 Long Life Miniature - Bulb, Ideal for Daytime Running Lights (DRL) and Back-Up/Reverse Lights (Contains 2 Bulbs)

8,000
▼ 44.4%
Units Sold/mo
$7.24
Price
4.7
Rating
7.6K
Reviews
2
SYLVANIA - 2357 Long Life Miniature - Bulb, Ideal for Daytime Running Lights (DRL) and Back-Up/Reverse Lights (Contains 2 Bulbs)
B01FWOCST4
$7.20
4.7 (2.6K)
SYLVANIA - 2357 Long Life Miniature - Bulb, Ideal for Daytime Running Lights (DRL) and Back-Up/Reverse Lights (Contains 2 Bulbs)
2,000 Units Sold/mo▼ 50.0%
3
SYLVANIA - 1156 Long Life Miniature - Bulb, Ideal Option for Stop and Tail Lights (Contains 2 Bulbs)
B01FWODHA8
$5.85
4.7 (1.3K)
SYLVANIA - 1156 Long Life Miniature - Bulb, Ideal Option for Stop and Tail Lights (Contains 2 Bulbs)
1,000 Units Sold/mo▼ 37.5%
4
Hella 7506TB Bulb 7506 12V 21W Ba15S S8 (2)
B079STXD25
$3.54
4.5 (1.1K)
Hella 7506TB Bulb 7506 12V 21W Ba15S S8 (2)
1,000 Units Sold/mo▼ 33.3%
5
Antline 1156 1141 1003 7506 BA15S LED Bulbs Xenon White 20-Packs, Super Bright 3014 50-SMD LED Replacement for 12 Volt RV Camper Trailer Boat Trunk Interior Light Bulbs
B07H86Y9RV
$16.49
4.6 (14.4K)
Antline 1156 1141 1003 7506 BA15S LED Bulbs Xenon White 20-Packs, Super Bright 3014 50-SMD LED Replacement for 12 Volt RV Camper Trailer Boat Trunk Interior Light Bulbs
1,000 Units Sold/mo▼ 40.0%
10
10PCS 1157 Bulb, Tail High and Low Brake Light Bulb, P21/5W S25 2057 2357 7528 BAY15D Light Bulb, Turn Signal Light Bulb Replacement, Universal Halogen Brake Tail Light Parking Light (White)
B0FM3HWC3B
$6.99
4.5 (330)
10PCS 1157 Bulb, Tail High and Low Brake Light Bulb, P21/5W S25 2057 2357 7528 BAY15D Light Bulb, Turn Signal Light Bulb Replacement, Universal Halogen Brake Tail Light Parking Light (White)
700 Units Sold/mo▼ 37.5%
View All 129 Products & Deep InsightsGet full access to sales data, trends, and market analysis

For sellers and category managers benchmarking the p21w bulb price landscape, we segmented all 129 tracked listings in Amazon's live "p21w bulb" search results across the full price spectrum, and surfaced the top 3 price tiers by share below to highlight where competition concentrates and where pricing gaps exist.

Leading the distribution, the $0.00 ~ $10.00 band is the category's best p21w bulb price zone, absorbing 51% of the assortment (150 products) — this is where listing density is highest and where new entrants face the steepest competition for share-of-voice. Use the tier breakdown below to identify the top-ranking ASIN, monthly sales velocity, and rating profile within each band — essential inputs for pricing strategy, sourcing decisions, and competitive benchmarking in the p21w bulb category.

Top 3 Price Tiers

$0.00 ~ $10.00 is the most competitive price tier, containing 51% of tracked products.

Sweet Spot
$0.00 ~ $10.00
Tier 1
51%
150 products

Top products in this price tier

#1
B01FWOBX36
$7.24
8k Units Sold/mo
Unlock Top Performers
#2
$10.00 ~ $20.00
Tier 2
39%
117 products
$20.00 ~ $50.00
Tier 3
9%
28 products
$50.00 ~ $100.00
1%
Unlock to view all price tier distributions and their ASIN sales contributions

"P21w bulb" Search Volume and Market Trends on Amazon

Amazon keyword search volume data for "p21w bulb" in the US marketplace. This report provides insights into keyword search volume, Amazon search trends, competition levels, and conversion efficiency for sellers and brands.

During the week of 2026-06-21 to 2026-06-27, the Amazon USweekly search volume for "p21w bulb" was approximately 155 searches. The keyword currently holds an Amazon Search Frequency Rank (SFR) of #1,115,288, dropping 237,346 positions from the previous week. Additionally, the top 3 products for this keyword capture 53.8% of the total click share and 58.3% of the conversion share, indicating the level of market concentration.

Amazon Search Term
Weekly

p21w bulb

ASINSIGHT
Search Frequency Rank
1,115,288
237,346
Search Volume
155
22.9%
Top 3 Click Share
53.8%
Top 3 Conv. Share
58.3%

Search Volume Trend

Past 3 Years
Past 4 Months
Recent 8 months
Weekly Search Volume
155
View full trends for the past 3 years
JunJulAugSepOctNovDecJanFebMarAprMayJun
Multi-Dimensional Data

Looking for more market and competitor insights?

We provide hourly competitor rankings and multidimensional insights that fuel Amazon growth.

Start 30-Day Free Trial
No credit card required
ASINSIGHT logo

Empower Amazon Sellers With Keyword Expertise Boost Product Keyword Rankings.

Copyright © 2026 ASINSIGHT All rights reserved.

|