Transmission Fluid Pump Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Transmission Fluid Pump sales on Amazon US totaled 44,400 units in July 2026 (▼ 5.1% vs. the prior month), generating an estimated $1,058,148 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 56.3% of unit volume and 44.2% of revenue, while a typical listing is priced at $27.51. The keyword itself pulled 13,838 Amazon queries over the same period (▲ 0.6% MoM).
Zooming out to the 12-month window ending July 2026, the transmission fluid pump Top 50 moved 460,050 units and $10,702,821 in cumulative sales — an average of 38,338 units and $891,902 per month. Monthly throughput topped out at 48,000 units in April 2026 and dipped to 26,400 in May 2026, leaving the latest reading 26.0% higher than August 2025.
Transmission Fluid Pump Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
44.4K
▼ 5.1% MoM
Monthly Revenue 2026/07
$1.1M
▼ 1.2% MoM
Top 10 Market Share 2026/07
56.3%
Transmission Fluid Pump Market Share & Sales Concentration on Amazon US — July 2026
The most-sold transmission fluid pump listing on Amazon US in July 2026 is ASIN B008QDV2JG (Brand: Valvoline), which sold 8,000 units at $29.88 apiece — equal to 18.0% of every unit tracked in this report and 2.0× the volume of the No. 2 listing.
The Top 10 ASINs account for 25,000 units and $467,550 in July 2026 — 56.3% of unit volume and 44.2% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Transmission Fluid Pump' on Amazon
July 2026









Is 56.3% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown

B008QDV2JG
Valvoline MaxLife Multi-Vehicle ATF Full Synthetic Automatic Transmission Fluid 1 Gallon
8K
▼ 11.1%vs. prior month
$231.8K
latest month
12-month trend

B0B27SKZ4V
Thorstone 200cc Fluid Extractor Pump with 2pcs 22cm PVC Suction Tubes | Manual Oil Change Syringe and Fluid Transfer Pump for Automotive Liquid Extraction
4K
▲ 0.0%vs. prior month
$42K
latest month
12-month trend

B0CRDBQY5T
FOUR UNCLES Fluid Transfer Syringe with Flexible Hose for Oil Service | Cleaner Fluid Service, Flexible Reach Design, Precise Transfer Control, Reduce Spills, DIY Garage Essential
3K
▼ 25.0%vs. prior month
$29.6K
latest month
12-month trend

B0D5HRX6LG
Fluid Pump for Standard Quart Bottles, 8cc Per Pump Stroke, Transmission Fluid Pump with 3rd Hand Adapter, Differential & Transmission Fluid,Transfer Gear Oil Transmission and Differential Fluid Pump
2K
▲ 100.0%vs. prior month
$14K
latest month
12-month trend

B0DKFCCCZF
Oil Pump 12V 100W, Oil Extractor Pump for DIY Engine Oil Change | Electric Fluid Transfer Pump for Synthetic, Gear Oil, Trans Fluid Removal, Self-Priming Oil Transfer Pump for Car, Mower,Boat
2K
▲ 0.0%vs. prior month
$60.3K
latest month
12-month trend

B0DB7X1B4Z
Cordless Fuel Transfer Pump, Gas Siphon Pump for Gasoline, Hand Siphon Pump | Portable Fluid Transfer Pump for Oil, Gasoline, Transmission, and Water, Liquid Fuel Syphon Pump, Max 3 GPM High Flow
2K
▲ 0.0%vs. prior month
$34.4K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Transmission Fluid Pump Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Valvoline is the best-performing transmission fluid pump brand in July 2026, moving 8,000 units across 1 ASIN for 32.0% of Top 10 volume. Thorstone follows with 4,000 units (16.0%), ahead of FOUR UNCLES on 3,000 units (12.0%).
With 8 brands splitting the Top 10 and 60.0% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $9.97 to $29.88, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Valvoline
1 ASIN in Top 10
32.0%
Units
8K
Revenue
$231.8K
Avg. price
$29.88

B008QDV2JG
$29.88·★4.8·11.6K revsValvoline MaxLife Multi-Vehicle ATF Full Synthetic Automatic Transmission Fluid 1 Gallon
Units sold8K
Thorstone
1 ASIN in Top 10
16.0%
Units
4K
Revenue
$42K
Avg. price
$9.97

B0B27SKZ4V
$9.97·★4.4·2.9K revsThorstone 200cc Fluid Extractor Pump with 2pcs 22cm PVC Suction Tubes | Manual Oil Change Syringe and Fluid Transfer Pump for Automotive Liquid Extraction
Units sold4K
FOUR UNCLES
1 ASIN in Top 10
12.0%
Units
3K
Revenue
$29.6K
Avg. price
$9.99

B0CRDBQY5T
$9.99·★4.4·2K revsFOUR UNCLES Fluid Transfer Syringe with Flexible Hose for Oil Service | Cleaner Fluid Service, Flexible Reach Design, Precise Transfer Control, Reduce Spills, DIY Garage Essential
Units sold3K
Trending Transmission Fluid Pump Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, one ASIN forced its way in: B075C3NNZF booked 1K units at $13.99, with ▲ 11.1% MoM change. On the growth side, B0GGJ4SKB4 leads positive momentum with ▲ 600.0% MoM growth on 700 units, with B0D5HRX6LG close behind at ▲ 100.0% MoM on 2K units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.

B075C3NNZF
HORUSDY Multi-Use Siphon Fuel Transfer Pump Kit for Gas Oil and Liquids
Price
$13.99
Rating
4.1
Reviews
4.6K
Latest month sales

B0GGJ4SKB4
6.5L Oil Extractor Pump - Pneumatic/Manual Automotive Fluid Extractor with Extended Suction Hoses & Brake Bleeding Hose for Oil/Fluid Change
Price
$46.99
Rating
4.5
Reviews
53
Latest month sales

B0D5HRX6LG
Fluid Pump for Standard Quart Bottles, 8cc Per Pump Stroke, Transmission Fluid Pump with 3rd Hand Adapter, Differential & Transmission Fluid,Transfer Gear Oil Transmission and Differential Fluid Pump
Unlock to view ASIN details and product titles
Price
$6.99
Rating
4.4
Reviews
661
Latest month sales
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