DWVO Radiator Compatible with 2006-2015 Civic K20Z2/Z3 R18A1/A4/A9/Z1

In this review of the DWVO complete radiator for 2006-2015 Civic models, the bottom line is straightforward: this is a budget-friendly replacement that delivers a true OEM fit for many Civic engines and years. The reviewer finds it most appealing to DIYers and independent shops who need a drop-in radiator with an aluminum core and brass transmission oil cooler, and who value affordability and easy installation. While the radiator largely meets expectations for fit and cooling performance, shoppers should note the package does not include a radiator cap and some users report mixed build quality.

Key Features

• Direct OEM Fit: Designed to replace OE part numbers 19010RNBA01 and 19010RNBC51 for a straightforward drop-in replacement on compatible Civic models.
• High Density Core: The multi-louvered aluminum core improves cooling efficiency and helps maintain engine temperatures under normal and heavy use.
• Durable Construction: TIG-welded aluminum core with PA66 GF30 inlet and outlet tanks and a treated coating enhances longevity and corrosion resistance.
• Integrated Transmission Cooler: Built-in brass transmission oil cooler allows the automatic transmission lines to hook up without additional adapters on compatible cars.
• Enhanced Packaging: Foam pads secure the radiator in four corners to prevent bending or damage during shipping, and a user manual is included.

Who It's For

This radiator is best for owners of 2006-2015 Honda Civic models listed in the fitment who want an affordable, OEM-compatible replacement that is easy to install. It suits DIY mechanics and independent repair shops that prefer a direct-fit part with familiar OE mounting points and integrated transmission cooling for automatic transmissions.

Those who should look elsewhere include buyers who need an included radiator cap or expect premium factory-grade build consistency; some customers reported missing caps and isolated leakage issues, so buyers who require factory warranty coverage or OEM-sourced assurances may prefer dealer parts.

Pros & Cons

Pros

• Good fitment for the specified Civic model years and engine codes, making installation quick and predictable.
• Aluminum core with multi-louvered fins provides solid cooling performance for street driving and routine use.
• Value-oriented price delivers reliable function and an integrated brass transmission cooler for automatics.

Cons

• Package does not include a radiator cap, which several buyers noted as an inconvenience.
• Build quality reports are mixed; a minority of users have experienced leakage, so inspect closely on arrival.

Specifications

Compatible Vehicles	2006-2015 Honda Civic models listed (DX, EX, LX, Si, etc.)
OE Replacement	Replaces OE 19010RNBA01, 19010RNBC51
Core Size	26 x 14 in (width x height)
Core Material	100% Aluminum core
Tanks	PA66 GF30 inlet/outlet tanks, TIG-welded to core
Transmission Cooler	Brass transmission oil cooler integrated
Package Contents	1x DWVO complete radiator, 1x user manual (radiator cap not included)

Our Verdict

The DWVO complete radiator is a practical replacement for compatible 2006-2015 Civic models, offering an OEM-style fit, effective aluminum core cooling, and an integrated transmission cooler at a competitive price. It represents good value for DIYers and independent shops, but buyers should be prepared to supply a radiator cap and inspect the unit on arrival because a few customers reported leaks.

Frequently Asked Questions

Does this radiator include the radiator cap?
No. The package includes the radiator and a user manual only; the radiator cap is not supplied.

Will this radiator fit my Civic?
It is designed to replace OE part numbers 19010RNBA01 and 19010RNBC51 for the listed 2006-2015 Civic models; verify your vehicle's OE number before ordering.

Is the transmission cooler built in?
Yes. A brass transmission oil cooler is integrated for use with compatible automatic transmissions.