K&N Cold Air Intake System F150 price history, checked Nov 15, 2026: Good price. $317.99 is 5% below the $337.58 it normally sells for, and the lowest we've seen in 111 days.

K&N Cold Air Intake System: High-Flow Air Filter, 57-2541 | Increase Performance & Towing Fits select 1997-2004 FORD/LINCOLN: Expedition/F150/Navigator (See Product Description)

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4.3(205 ratings)Only 10 left

Good price

$317.99 is 5% below the $337.58 it normally sells for, and the lowest we've seen in 111 days.

Now: $317.99
Normally: $337.58
Lowest in 111 days: $317.99(Nov 14)
Highest: $367.99

Evidence: Strong111 days tracked1,877 price changeschecked 2h ago

Where today's price sits

Now $317.99Normal $337.58List $367.99

View on amazon.com

Prices change. Confirm the price on Amazon before you buy. TrackPin may earn a commission if you buy, at no cost to you; it never changes a verdict.

Amazon price jumps and real deals, posted on X: @trackpindeals (opens in a new tab)

The listing's crossed-out price

Smaller than shown

The listing shows

crossed out: ~~List $367.99 −14%~~

Against its normal price

−5% vs $337.58

The listing shows −14%. Against its normal price it's −5%.

The crossed-out price is the reference shown on the listing. We don't know how it was set; we only compare it with prices we've observed. How we check →

Listing checked 24h ago

Price history

Tracked since Jul 26 · 111 days · 1,877 price changes

Ahead of Black Friday 2026 (Nov 27), it is already 5% below its normal price of $337.58. K&N Cold Air Intake System: High-Flow Air Filter, 57-2541 price history, checked Nov 15, 2026: current price $317.99, normal (typical) price $337.58, average $346.52 over 111 days, lowest $317.99 (Nov 14, 2026), highest $367.99 (Oct 14, 2026).

Price
Not checked for 3+ days
Normal $337.58
5% or more below normal

How often does it drop below normal?

In the 111 days we've tracked it, it stayed 5% or more below today's normal price for an hour or more twice, typically lasting about 2 days. It's below normal right now.

A count of what happened, not a prediction.

Other ways to buy

New from
$317.99
Amazon.comFulfilled by Amazon · Seller rating 100%

All 8 offers

All offers, by price
Seller	Condition	Price	FBA	Seller rating
Amazon.com	New	$317.99	Yes	100%
WunderCarParts	New	$367.99	No	67% of 12,912
Homestead Supply & More ✅	New	$367.99	No	72% of 20,425
Southern Motors	New	$367.99	No	49% of 312
Southern Motors	New	$367.99	No	49% of 312
Homestead Supply & More ✅	New	$367.99	No	72% of 20,425
OmniHop	New	$367.99	No	80% of 3,768
Sparkfish	New	$377.94	No	79% of 92,041

Offers as of 24h ago

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Get this as JSONThe same verdict and prices, from the TrackPin API.

GET/api/v1/product/B000CO81KA

Request

curl https://trackpin.co/api/v1/product/B000CO81KA \
  -H "x-api-key: $TRACKPIN_API_KEY"

const res = await fetch("https://trackpin.co/api/v1/product/B000CO81KA", {
  headers: { "x-api-key": process.env.TRACKPIN_API_KEY },
});
const product = await res.json();

console.log(product.verdict.label, product.price.reference_cents);

import os, requests

r = requests.get(
    "https://trackpin.co/api/v1/product/B000CO81KA",
    headers={"x-api-key": os.environ["TRACKPIN_API_KEY"]},
)
product = r.json()

print(product["verdict"]["label"], product["price"]["reference_cents"])

This is exactly what the API returns for this product. Free keys include 100 requests a day.

Request a key

Live responseAs of 03:46 UTC

{
  "asin": "B000CO81KA",
  "title": "K&N Cold Air Intake System: High-Flow Air Filter, 57-2541 | Increase Performance & Towing Fits select 1997-2004 FORD/LINCOLN: Expedition/F150/Navigator (See Product Description)",
  "image": "https://m.media-amazon.com/images/I/41-PZrI4ihL._AC_SL500_.jpg",
  "currency": "USD",
  "category": "Automotive Parts and Accessories",
  "category_label": "Automotive",
  "in_stock": true,
  "price": {
    "current_cents": 31799,
    "reference_cents": 33758,
    "discount_pct": 5.8,
    "is_deal": true,
    "observed_at": 1794705235188,
    "changed_at": 1794626200572,
    "checked_at": 1794705235188,
    "source": "stored"
  },
  "verdict": {
    "label": "good",
    "text": "Good price",
    "pct_vs_normal": 5.8,
    "evidence": "strong",
    "stale": false,
    "suspect": false,
    "steady_since": null,
    "sentence": "Good price. $317.99 is 5% below the $337.58 it normally sells for, and the lowest we've seen in 111 days."
  },
  "listing_claim": {
    "label": "List:",
    "listing_reference_cents": 36799,
    "claimed_pct": 14,
    "real_pct": 5.8,
    "class": "smaller",
    "observed_at": 1794626971441
  },
  "stats": {
    "min_cents": 31799,
    "max_cents": 36799,
    "avg_cents": 34652,
    "history_days": 111,
    "price_levels": 1898,
    "price_changes": 1877,
    "distinct_prices": 15,
    "lowest_at": 1794626200572
  },
  "history": [
    {
      "price_cents": 33072,
      "from": 1793377234720,
      "to": 1793377234720
    },
    {
      "price_cents": 33875,
      "from": 1793378214885,
      "to": 1793379080440
    },
    {
      "price_cents": 32849,
      "from": 1793379647347,
      "to": 1793380768087
    },
    {
      "price_cents": 34099,
      "from": 1793381193940,
      "to": 1794623616749
    },
    {
      "price_cents": 31799,
      "from": 1794626200572,
      "to": 1794705235188
    }
  ],
  "last_seen": 1794705235188
}
// … 1,893 more steps in the full response

Normal price: the lowest price level the product held for at least 15% of the last 45 days (about a week). Prices within 3% of each other count as one level, and we use the lowest price in that level. How we calculate it → Prices are observations of amazon.com and may be incomplete or delayed. TrackPin is not affiliated with Amazon.

K&N Cold Air Intake System: High-Flow Air Filter, 57-2541 | Increase Performance & Towing Fits select 1997-2004 FORD/LINCOLN: Expedition/F150/Navigator (See Product Description)

The listing's crossed-out price

Price history

How often does it drop below normal?

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