Sold out
Click to zoom in
SKU: 826-134-101
Weapon R 24 fl oz Reserve Coolant Overflow Tank for Honda Civic 1988-1995 CRX 1988-1991 Del Sol 1992-1995 Acura Integra 1986-2001
Weapon R 24 fl oz reserve coolant overflow tank replaces factory plastic units on select Honda Civic CRX Del Sol and Acura Integra models. Crafted from durable aluminum it withstands high heat and pressure for consistent coolant level maintenance. This direct-fit tank supports engine cooling efficiency during demanding drives.
Key Features
- Aluminum Construction: Resists cracking corrosion and fading for long-term reliability over stock plastic tanks
- 24 fl oz Capacity: Provides ample reserve volume to handle expansion and prevent low coolant warnings
- Billet Aluminum Cap: Ensures airtight seal with OEM-style threading to maintain system pressure
- Laser-Etched Weapon R Logo: Adds clean motorsport styling to engine bay appearance
- Direct Bolt-On Design: Matches factory mounting points for plug-and-play replacement
Product Notes
- Direct OEM replacement uses existing hoses and brackets
- Compatible with standard ethylene glycol or HOAT coolants
- Packed in protective foam for damage-free delivery
Installation Notes
- Professional installation recommended.
- Drain coolant partially before removal to avoid spills
- Uses factory mounting hardware no modifications needed
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1988-1991 | Honda | CRX | All |
| 1988-1991 | Honda | Civic | All |
| 1992-1995 | Honda | Civic | All |
| 1992-1995 | Honda | Civic Del Sol | All |
| 1986-2001 | Acura | Integra | All |
Why Choose Weapon R?
- Proven in drag racing and track applications
- High-strength materials built for daily and performance use
- Engineered for precise fit and function
Frequently Asked Questions
-
Q: Will this fit my 1990 Honda Civic Si?
A: Yes it bolts directly to factory locations on 1988-1995 Civic models including Si hatchback sedan and coupe trims -
Q: What material is the tank made from?
A: Billet aluminum with black anodized finish for heat resistance and corrosion protection -
Q: What is the warranty and install time?
A: Backed by Weapon R 1-year limited warranty typical DIY install takes 30-45 minutes with basic tools
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: 10 x 6 x 6 inch box with foam inserts
- Weight: 1.1 lbs product 2 lbs shipping
Coolant Reservoirs
Coolant reservoirs, also called expansion tanks or overflow bottles, maintain a pressurized coolant supply that the radiator draws from as the cooling system cools down after engine-off. A cracked or leaking reservoir causes coolant loss and eventual overheating, while an upgraded billet or aluminum tank improves appearance and durability in performance engine bays.Popular UpgradesAluminum and billet coolant expansion tanks for LS and LT engine swaps and popular domestic performance vehicles are the most popular upgrades, providing a clean look and superior durability compared to factory plastic bottles that crack from heat cycling. Universal inline overflow tanks made from polished aluminum or anodized billet are popular on custom engine bays where the stock location has been eliminated. Direct-fit OEM-style replacement tanks restore coolant system function on high-mileage vehicles where the factory tank has cracked or the cap seat has deteriorated.How do I know if my coolant reser...
View Coolant Reservoirs Products
Cooling
Shop performance cooling parts at Black Ops Auto Works for premium radiators, thermostat housings, thermostats, coolant reservoirs, expansion tanks, radiator hoses, oil coolers, transmission coolers, fans and shrouds, water pumps, and thermal management upgrades for street, track, towing, diesel, and high-horsepower builds. Whether you are trying to control engine temps, improve reliability, or support demanding performance use, this collection is built around proven cooling-system upgrades for serious enthusiasts. Shop Cooling Parts by Category Browse automotive cooling system components across key product categories, including: Radiators Coolant reservoirs and expansion tanks Thermostat housings and thermostats Radiator hose kits and silicone coolant hoses Oil coolers and oil cooler accessories Transmission coolers Coolant bypass kits and coolant filters Fans and shrouds Radiator caps Water pumps Radiator shrouds, radiator stays, and cooling plates Thermal wrap, thermal tape, an...
View Cooling Products
Engine
Shop engine parts, oil catch cans, engine cooling upgrades, thermostats, thermostat housings, radiators, coolant accessories, supercharger pulleys, idler pulleys, tensioner pulleys, throttle bodies, engine covers, fuse box covers, cap covers, valve covers, oil system parts, ignition parts, sensors, gaskets, fuel delivery parts, and engine bay dress-up accessories at Black Ops Auto Works. This collection is built for performance vehicles, trucks, SUVs, muscle cars, boosted builds, HEMI platforms, Hellcat builds, Trackhawk SUVs, RAM TRX trucks, LS-powered builds, and high-horsepower street or track applications. Whether you are improving oil control, reducing heat soak, upgrading cooling, supporting higher boost, cleaning up the engine bay, replacing worn engine components, or preparing a street car for harder driving, this collection helps you shop engine parts by brand, category, vehicle platform, and performance goal. Shop Engine Parts by Category Browse engine upgrades and replace...
View Engine Products