Toyota Pink SLLC flush:$115 to $200PHOAT pink, 100k mi first interval, 2026
Toyota Super Long Life Coolant (SLLC) is the pre-diluted pink PHOAT coolant Toyota installs at the factory in nearly every model since the early 2000s. The 100,000-mile first interval is one of the longest in the industry and reflects the quality of the factory-fill formulation.
Indy shop
$115 - $170
Asian Vehicle Pink coolant
Chain
$109 - $149
If PHOAT in stock
Toyota dealer
$180 - $260
Genuine Toyota SLLC
Spec card
Toyota SLLC / PHOAT pinkVehicle coverage
Which Toyotas run SLLC
Toyota sedans
Camry, Corolla, Avalon, Prius, Crown
Toyota SUVs
RAV4, Highlander, 4Runner, Sequoia, Land Cruiser, Venza, Grand Highlander
Toyota trucks
Tacoma, Tundra
Lexus
Most models from RX to LS to GX use SLLC. Some hybrid models have a separate inverter coolant.
Scion (legacy)
xA, xB, xD, iQ, tC, FR-S, iA. All ran Toyota SLLC during production.
Hybrids
Prius, Camry Hybrid, RAV4 Hybrid, Highlander Hybrid use SLLC for the engine plus a different coolant for the inverter and battery cooling circuit.
The first-flush question
Why Toyota's 100,000-mile first interval is real
Toyota's factory-fill interval of 100,000 miles for the first SLLC service is the longest mainstream-OEM interval in the US market. It is also routinely doubted by service writers at chain shops who try to upsell a flush at 60,000 or 75,000 miles. The 100,000-mile number is correct for a healthy factory-fill system, and the data supports it.
Toyota factory-fills the cooling system with a virgin batch of SLLC under controlled vacuum-fill conditions at the assembly plant. The result is a system with no air pockets, no contamination, and a known-pure inhibitor package. The PHOAT phosphates last roughly twice as long under these conditions as a refill batch in a system that has already been through one service cycle.
After the first flush, the interval drops to 50,000 miles for the same reason. The system can never be vacuum-filled in the field the way it was at the factory, so air ingress and slight cross-contamination from residual coolant in the heater core mean the second-fill chemistry ages faster. The 50k interval is a realistic compromise.
The shop incentive to push for an earlier flush is real. A first-time customer at a chain or even an indy is told the coolant looks discolored, that 60,000 miles is the right interval, that newer is better. None of that is correct for SLLC. If your reservoir shows the original pink color and the level is at the cold-fill mark, follow Toyota's 100,000-mile first interval and ignore the upsell.
Coolant condition self-check
- +Bright pink, transparent. Healthy SLLC. No action.
- +Slightly faded pink, still transparent. Normal aging. Continue to interval.
- ~Faded with floating particles. Inhibitor depletion starting. Plan flush within 6 months.
- !Brown or muddy color. Either past due or contaminated by mixed chemistry. Flush now.
- !Oil sheen on surface. Possible head gasket leak. Diagnose before flushing.
Common questions
Toyota SLLC flush FAQ
How much does a Toyota Pink SLLC flush cost in 2026?
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A Toyota Super Long Life Coolant flush costs $115 to $200 at most independent shops in 2026. Quick-lube chains can do it for $109 to $149 if they stock Asian Vehicle Pink (Zerex or equivalent). A Toyota or Lexus dealer charges $180 to $260 with the genuine Toyota SLLC.
What is Toyota SLLC?
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Super Long Life Coolant. A pre-diluted (50/50) PHOAT (Phosphate-Organic Acid Technology) coolant in a distinctive pink dye. SLLC is the factory fill in nearly every Toyota, Lexus, and Scion since around 2004. The phosphate package provides aluminum corrosion protection optimized for Toyota's small-displacement aluminum-block engines.
What is the SLLC service interval?
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Toyota specifies 100,000 miles for the first flush, then 50,000 miles for subsequent intervals. The long first interval reflects the factory fill quality and the sealed-system advantage. Subsequent intervals are shorter because the additive package is partially consumed during initial service life.
Can I use universal pink coolant instead of Toyota SLLC?
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Only if the product specifically lists Toyota SLLC compatibility. Many pink-dyed coolants are not PHOAT and will not match the spec. Verified compatible products include Zerex Asian Vehicle Pink, Prestone Asian Vehicles Pink, and Peak Asian Vehicle Pink. The Toyota Genuine SLLC at the dealer is the safest choice for warranty work.
Why does Toyota use pink and not orange?
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The color is a deliberate marker that the coolant is PHOAT chemistry, not OAT (Dex-Cool orange) or HOAT (yellow). PHOAT relies on phosphate inhibitors that are common in Japanese OEM specifications but rare in US-market formulations. The distinct pink color helps technicians avoid mixing it with non-PHOAT coolants.
Can SLLC be mixed with Dex-Cool or yellow HOAT?
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No. PHOAT phosphates react with OAT carboxylates to form precipitates that clog the cooling system. Mixing SLLC with green IAT or yellow HOAT also causes inhibitor degradation. If your Toyota has been mixed (often visible as a brown or murky color in the reservoir), a full machine flush with chemical cleaner is the right fix, then refill with the correct SLLC.
Does Honda Blue work in a Toyota?
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No. Despite both being PHOAT formulations, Honda Blue Type 2 and Toyota Pink SLLC have different additive packages tuned to each manufacturer's engine designs. They should not be mixed. Use the correct product for each vehicle. Confusingly, the universal Asian Vehicle products sold under brands like Zerex come in both Pink (Toyota) and Blue (Honda / Subaru) variants for this reason.