Opening: Stop Paying for a Number! Why the IP67 vs. IP68 Choice Impacts Your Bottom Line

As a product manager, buyer, or sales manager in the automotive parts world, you live by the spec sheet. But let’s be honest: when it comes to waterproof ratings, most people see “IP68” and think, “Well, eight is bigger than 7, so it must be better.”

This simple assumption is costing companies a lot of money.

I’ve spent decades on the factory floor, and I see this problem every day. I see purchasing managers paying a 15% premium for IP68-rated warning lights that will only ever see rain. On the flip side, I see product managers getting hammered in sales meetings because their high-quality IP67 lights are perceived as “inferior” to a competitor’s (sometimes questionable) IP68 claim.

You’re stuck in a trap. Are you over-spec’ing and wasting money on protection your customers will never use? Or are you under-spec’ing and losing out on the “premium” market?

Let’s clear the fog. As your factory insider, I’m not going to give you a boring physics lesson. This article is a practical guide to help you make a wise business decision. WWe’regoing to skip the dry theory and look at this from the three angles that actually matter to you: Cost, real-world Application, and your Sales Pitch.

Part 1: The 1-Minute Manager’s Guide to IP67 vs. IP68

You have probably seen the technical charts. They usually say “that IP” stands for “Ingress Protection,” that the first number is for solids (dust), and the second for liquids (water).

This is correct, but it is not useful. Let’s look at this like a manager.

For warning light bars, the first number is almost always a “6”. This part is simple. It means the light is completely dust-tight. No dust, dirt, or sand can get inside. Both IP67 and IP68 have this.

The real confusion is between the “7” and the “8”.

What does IP67 really mean for your light bar?

It means your light is 100% dust-tight and is protected against temporary submersion in water (up to 1 meter deep for 30 minutes).

In the real world, this is the “all-weather workhorse” rating. An IP67-rated light can easily handle:

• Heavy rainstorms and snow.

• High-pressure power washing at a car wash.

• Getting splashed with mud or falling into a deep puddle.

For 95% of on-road applications (trucking, construction, utility vehicles), IP67 is more than enough protection.

So, what makes IP68 different?

It means the light is also 100% dust-tight, but it is protected against continuous submersion in water deeper than 1 meter.

This is where everyone gets confused. How deep? How long?

The IP68 Secret Your Supplier Hopes You Do Not Ask About

Here is the most important takeaway for any buyer or product manager: The IP68 standard is deliberately vague.

Unlike IP67 (which has a clear rule of “1 meter for 30 minutes”), the IP68 standard only says “continuous submersion.” The manufacturer must define the exact test parameters.

This means one factory can test its light at 1.5 meters for 60 minutes and call it IP68.

Another factory might test their light at 3 meters for 3 hours and also call it IP68.

These two lights are not the same, but they both have the same IP68 rating on their box. As a buyer, you must ask your supplier: “What are your specific test parameters for this IP68 rating?”

According to the International Electrotechnical Commission (IEC), which defines these standards (IEC 60529), the conditions for IP68 are agreed upon between the manufacturer and the user.

Now that we understand the technical “gotcha,” let’s look at what this means for your budget.

Part 2: Is the IP68 Premium Worth It? (For Product & Purchasing Managers)

This is the central business question. As your factory consultant, I will tell you plainly: Achieving an actual IP68 rating costs more. There is no way around it.

This is not just a marketing sticker. It requires fundamental changes in design, materials, and manufacturing processes.

What are you paying for at the factory level?

To upgrade a light from IP67 to a reliable IP68 rating, we have to do more than just tighten the screws.

• Better Materials: We must use higher-grade, more durable silicone gaskets and seals. These seals must not compress or crack under sustained pressure.

• Advanced Sealing Processes: Many IP68 lights use a process called “potting.” This means the entire circuit board is fully encapsulated in a solid block of waterproof epoxy resin. This is highly effective, but it adds material cost and production time.

• Complex Design: The housing itself must be engineered differently. This can involve ultrasonic welding (melting plastic parts together) instead of using gaskets and screws.

So, how much more does it cost?

You should expect a 5% to 15% increase in your Cost of Goods Sold (COGS) for a true IP68 light compared to its IP67 equivalent.

If a supplier offers you an IP68 light at the same price as an IP67 light, you should be very suspicious. They are likely cutting corners elsewhere or are not being truthful about their IP68 testing.

How to Position Your Product Line

Now that you know the cost, you can build your pricing and marketing strategy.

• Position IP67 as your “Workhorse Standard” or “Best Value” line. This is the perfect, reliable choice for the vast majority of your customers in trucking, construction, and agriculture. You can market it honestly as “Fully protected from rain, mud, and high-pressure washing.”

• Position IP68 as your “Flagship Adventure” or “Extreme Duty” line. This is for the niche but profitable market that actually needs it. Think mining vehicles, marine applications, or extreme off-roaders who drive through rivers. You can command a premium price for this “peace of mind.”

The final choice depends on your market. Is your average customer a highway truck fleet in North America? They will likely prefer the cost savings of IP67.

Is your customer an Australian mining company? They will absolutely pay the premium for IP68 to avoid downtime.

Knowing this, you can now look at what your competition is doing.

Part 3: Is Your Competition Using IP68 to Bluff Customers?

You see it in every online store and trade show booth. Competitors are marketing “IP68” as the new standard for everything. It makes your reliable IP67 products look old.

But are they all telling the truth?

In my experience, no. Many are bluffing.

Remember what we learned in Part 1? The IP68 standard is flexible. A competitor can test their light in just 1.1 meters of water for 30 minutes and legally call it IP68.

This “weak” IP68 is barely better than your IP67, but they use it as a powerful marketing weapon against you. They are winning sales not on better engineering, but on a bigger number.

You also need to understand your specific market.

North America (Trucking): This market is very cost-sensitive. Most fleet managers are savvy. They know IP67 is enough for highway use and prefer the cost savings.

Europe (Agriculture/Industrial): This market values quality and standards. They are more likely to ask for the actual test report. A weak IP68 claim will not work here.

Australia (Mining/Off-Road): This is the “Extreme Duty” market. They demand true, deep-water IP68. They will pay the premium and also test your product. A false claim here will destroy your reputation.

So, what should you do? You have two strategies.

Strategy 1: If your competition leads with IP68 (and you have IP67):

Do not compete on the number. Compete on honesty and value. Ask your customers: “Are you paying a premium for submersion you do not need?”

Educate them. Explain that your IP67 is thoroughly tested for high-pressure washing and all-weather use. Position it as the wise, cost-effective choice.

Strategy 2: If your competition leads with IP68 (and you want to compete):

You must ““all their bluff.” Ask your own factory (or me) for a true IP68-rated light. Then, when you go to market, you do not just sell “IP68.”

You sell “IP68 Tested to 3 Meters for 3 Hours.” You market your specific, superior test data. This immediately makes vague “IP68” claims look weak.

Do not let your competition control the conversation. Use your knowledge of IP ratings to either save your customer money (with IP67) or prove your superior quality (with a real IP68).

This knowledge is your best sales tool.

Part 4: How to Pitch IP67 vs. IP68 to Your Customers (For Sales Managers)

Your sales team needs simple, confident answers. When a customer asks, “Should I get the IP67 or the IP68?” their response will make or lose the sale.

Here are the practical scripts you can give them.

How to talk to your B2B Wholesalers and Fleet Managers:

This customer is motivated by Total Cost of Ownership (TCO), reliability, and avoiding downtime. They are not impressed by specs; they are impressed by practicality.

• When selling your IP67 “Workhorse” lights: “This IP67 light is your most cost-effective, reliable solution; it is fully sealed against dust, heavy rain, and high-pressure washing. For 95% of on-road and construction work, this is the smart choice that protects your vehicles and lowers your total cost of ownership.”

• When selling your IP68 “Extreme Duty” lights: “This is your ‘insurance policy’ for your most critical vehicles. We designed this IP68 light for continuous submersion, specifically for mining, forestry, or rescue vehicles that operate in flooded or extremely wet conditions. This small extra investment prevents expensive downtime in your harshest environments.”

How to talk to your B2C Retail Customers and Off-Roaders:

This customer is motivated by performance, peace of mind, and identity. They want the best, even if they do not always need it.

• When selling your IP67 “Workhorse” lights: “This light is a beast, it is fully dust-tight and completely protected from mud, river splashes, and any storm you can drive through. It is the perfect, reliable partner for all your cross-country trips and daily work.”

• When selling your IP68 “Extreme Duty” lights: “If you are a serious off-roader who pushes your gear to the absolute limit, this is your light. This is our ‘go-anywhere’ spec. It is not just waterproof; it is built for submersion. You get total peace of mind knowing that no matter what you put this light through—even a river crossing—it will not fail.”

Notice the key difference: For B2B, you sell “cost-effectiveness” and “insurance.” For B2C, you sell “reliability” and “peace of mind.”

Conclusion: The Consultant’s Final Verdict (A Simple Decision Matrix)

We have moved beyond the simple spec sheet. We know that the choice between IP67 and IP68 is not about finding the “best” rating. It is about finding the “right” tool for the job.

This is a strategic decision that impacts your costs, your marketing, and your customers’ trust.

To make it as simple as possible, I have created a final decision matrix. When your next customer or product meeting happens, use this chart.

The Factory Consultant’s Decision Matrix

FAQs