Genuine Mazda Radiator Cap

Cooling Radiator Cap

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Model

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

41 Radiator Caps found

View related parts
Mazda Radiator Cap
Part Number: L321-15-205
$7.56 MSRP: $10.08
You Save: $2.52 (25%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cap, Radiator
Fits the following Mazda Models:
- 6 | 2003-2008 | i, Mazdaspeed, S | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
View related parts
Mazda Cap
Part Number: KL01-15-205
$16.15 MSRP: $21.53
You Save: $5.38 (25%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cap, Radiator Sub Tank; Cap, Reservoir Cap
Fits the following Mazda Models:
- 626 | 1998-2002 | DX, ES, LX | 4 Cyl 2.0 L GAS, 6 Cyl 2.5 L GAS
- MPV | 2000-2006 | DX, ES, LX, LX-SV | 6 Cyl 2.5 L GAS, 6 Cyl 3.0 L GAS
- Miata | 1999-2003 | 10th Anniversary, Base, LS, SE, Shinsen | 4 Cyl 1.8 L GAS
- Millenia | 1995-2002 | Base, L, Millennium Edition, S | 6 Cyl 2.3 L GAS, 6 Cyl 2.5 L GAS
- Protege | 1999-2003 | DX, ES, LX, Mazdaspeed, MP3 | 4 Cyl 1.6 L GAS, 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
- Protege5 | 2002-2003 | Base | 4 Cyl 2.0 L GAS
View More
View related parts
Mazda Radiator Cap
Part Number: PE20-15-205
$17.90 MSRP: $23.87
You Save: $5.97 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cap, Radiator
Fits the following Mazda Models:
- 3 | 2014-2018 | Grand Touring, i Grand Touring, I Sport, i SV, I Touring, s Grand Touring, s Touring, Sport, Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
View related parts
Mazda Radiator Cap
Part Number: LFB7-15-205
$19.23 MSRP: $25.64
You Save: $6.41 (25%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cap, Radiator; Filler Cap
Fits the following Mazda Models:
- 2 | 2011-2014 | Sport, Touring | 4 Cyl 1.5 L GAS
- 5 | 2012-2015, 2006-2010 | Grand Touring, Sport, Touring | 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS
View related parts
Mazda Radiator Cap
Part Number: LF21-15-205
$21.70 MSRP: $28.94
You Save: $7.24 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cap, Radiator
Fits the following Mazda Models:
- 6 | 2006-2007 | i, Mazdaspeed, S | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
View related parts
Mazda Radiator Cap
Part Number: LFH1-15-205
$21.88 MSRP: $29.18
You Save: $7.30 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cap, Radiator
Fits the following Mazda Models:
- CX-7 | 2007-2012 | Grand Touring, Sport, Touring | 4 Cyl 2.3 L GAS
View related parts
Mazda Radiator Cap
Part Number: PE01-15-205
$23.94 MSRP: $31.92
You Save: $7.98 (25%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cap, Radiator
Fits the following Mazda Models:
- 6 | 2014-2017 | Grand Touring, Sport, Touring | 4 Cyl 2.5 L GAS
- CX-3 | 2016-2021 | Grand Touring, Sport, Touring | 4 Cyl 2.0 L GAS
- CX-5 | 2013-2024 | 2.5 S, 2.5 S Carbon Edition, Carbon Edition, Grand Select, Grand Touring, Sport, Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
- CX-9 | 2016-2023 | Carbon Edition, Grand Touring, Signature, Sport, Touring, Touring Plus | 4 Cyl 2.5 L GAS
View More
View related parts
Mazda Radiator Cap
Part Number: 8871-15-205
$24.59 MSRP: $32.80
You Save: $8.21 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cap, Radiator
Fits the following Mazda Models:
- RX-7 | 1984-1985 | GS, GSL, GSL-SE, S | 2 Cyl 1.1 L GAS, 2 Cyl 1.3 L GAS
View related parts
Mazda Radiator Cap
Part Number: SH17-15-205
$25.25 MSRP: $33.67
You Save: $8.42 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cap, Radiator; Radiator Cap
Fits the following Mazda Models:
- CX-5 | 2019 | Signature | 4 Cyl 2.2 L DIESEL
View related parts
Mazda Radiator Cap
Part Number: PX35-15-205B
$25.96 MSRP: $34.62
You Save: $8.66 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cap, Radiator; Filler Cap, Radiator Cap, Reservoir Cap
- Replaces: PX35-15-205, PX35-15-205A
Fits the following Mazda Models:
- 3 | 2019-2024 | 2.0, 2.5 Carbon Turbo, 2.5 S, 2.5 Turbo, 2.5 Turbo Premium Plus, Base, Carbon Edition, Preferred, Premium, Select, Select Sport | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
- 6 | 2019-2021 | Carbon Edition, Grand Touring, Grand Touring Reserve, Signature | 4 Cyl 2.5 L GAS
- CX-30 | 2020-2023 | 2.5 S, 2.5 S Carbon Edition, 2.5 Turbo, Base, Preferred, Premium, Select | 4 Cyl 2.5 L GAS
- CX-5 | 2019-2024 | 2.5 Turbo, 2.5 Turbo Signature, Carbon Edition Turbo, Grand Touring Reserve, Signature | 4 Cyl 2.5 L GAS
- CX-50 | 2023-2024 | 2.5 S, 2.5 Turbo | 4 Cyl 2.5 L GAS
- MX-30 EV | 2022-2023 | Base, Premium Plus | BATTERY EV (EV/BEV)
View More
View related parts
Mazda Cap
Part Number: D316-15-205
$26.39 MSRP: $35.19
You Save: $8.80 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cap, Radiator; Cap, Reservoir Cap
- Replaces: D316-15-205-PT, N350-15-205
Fits the following Mazda Models:
- 323 | 1986-1994 | Base, DX, LX, SE | 4 Cyl 1.6 L GAS
- 626 | 1988-1992 | DX, GT, LE, LX, Turbo, Turbo 4WS | 4 Cyl 2.2 L GAS
- 929 | 1988-1995 | Base, S | 6 Cyl 3.0 L GAS
- MPV | 1989-1998 | Cargo, DX, ES, L, LX, LXE, Passenger | 4 Cyl 2.6 L GAS, 6 Cyl 3.0 L GAS
- MX-3 | 1992-1995 | Base | 4 Cyl 1.6 L GAS
- MX-6 | 1988-1992 | DX, GT, GT 4WS, LE, LX | 4 Cyl 2.2 L GAS
- Miata | 1990-1997 | Base, LE, M Edition, SE, STO | 4 Cyl 1.6 L GAS, 4 Cyl 1.8 L GAS
- Protege | 1990-1998 | 4WD, Base, DX, ES, LX, SE | 4 Cyl 1.5 L GAS, 4 Cyl 1.8 L GAS
- RX-7 | 1986-1991 | 10th Anniversary, Base, Base 2+2, Convertible, GTU, GTUs, GXL, GXL 2+2, LX, LX 2+2, SE, SE 2+2, Sport, Turbo | 2 Cyl 1.3 L GAS
- RX-8 | 2004-2005 | Base, Shinka | 2 Cyl 1.3 L GAS
View More
View related parts
Mazda Cap
Part Number: KF01-15-205
$26.53 MSRP: $35.37
You Save: $8.84 (25%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cap, Radiator; Cap
- Replaces: N323-15-205
Fits the following Mazda Models:
- 626 | 1993-1994 | ES, LX | 6 Cyl 2.5 L GAS
- MX-6 | 1993-1994 | LS | 6 Cyl 2.5 L GAS
- RX-7 | 1993-1995, 1986-1990 | 10th Anniversary, Base, Base 2+2, Convertible, GTU, GTUs, GXL, GXL 2+2, LX, LX 2+2, R1, R2, SE, SE 2+2, Sport, Touring, Turbo | 2 Cyl 1.3 L GAS
View More
View related parts
Mazda Cap
Part Number: KL61-15-205
$26.66 MSRP: $35.56
You Save: $8.90 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cap, Radiator; Cap
Fits the following Mazda Models:
- 626 | 1995-2002 | ES, LX | 6 Cyl 2.5 L GAS
- MX-3 | 1995 | Precedia | 6 Cyl 1.8 L GAS
- MX-6 | 1995-1997 | LS, M Edition | 6 Cyl 2.5 L GAS
- Millenia | 1995-2002 | Base, L | 6 Cyl 2.5 L GAS
View More
View related parts
Mazda Cap
Part Number: KL11-15-205A
$27.25 MSRP: $36.33
You Save: $9.08 (25%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cap, Radiator; Cap
- Replaces: KL11-15-205
Fits the following Mazda Models:
- 626 | 1993-1997 | ES, LX | 6 Cyl 2.5 L GAS
- MX-6 | 1993-1997 | LS, M Edition | 6 Cyl 2.5 L GAS
View related parts
Mazda Radiator Cap
Part Number: PE11-15-205
$29.05 MSRP: $38.74
You Save: $9.69 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cap, Radiator; Filler Cap
Fits the following Mazda Models:
- 3 | 2014-2018 | Grand Touring, i Grand Touring, I Sport, i SV, I Touring, s Grand Touring, s Touring, Sport, Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
- 6 | 2014-2021 | Grand Touring, Grand Touring Reserve, Signature, Sport, Touring | 4 Cyl 2.5 L GAS
- CX-5 | 2019 | Grand Touring Reserve, Signature | 4 Cyl 2.5 L GAS
- MX-5 Miata | 2016-2023 | 100th Anniversary Special Edition, Club, Grand Touring, RF 100th Anniversary Special Edition, RF Club, RF Grand Touring, RF GT, Sport | 4 Cyl 2.0 L GAS
View More
View related parts
Mazda Radiator Cap
Part Number: K817-15-205
$29.48 MSRP: $39.31
You Save: $9.83 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cap, Radiator
- Replaces: N321-15-205
Fits the following Mazda Models:
- MX-3 | 1992-1995 | Base, GS, Precedia, SE | 6 Cyl 1.8 L GAS
View related parts
Mazda Filler Neck
Part Number: LFB7-15-17YA
$69.65 MSRP: $92.89
You Save: $23.24 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cap Set, Filler-Radiator; Filler Cap
Fits the following Mazda Models:
- 5 | 2006-2010 | Grand Touring, Sport, Touring | 4 Cyl 2.3 L GAS
View related parts
Mazda Radiator Cap
Part Number: L3R1-15-205
$4.34 MSRP: $5.78
You Save: $1.44 (25%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cap, Radiator
Fits the following Mazda Models:
- 6 | 2007-2008 | i | 4 Cyl 2.3 L GAS
View related parts
Mazda Radiator Cap
Part Number: 1F71-15-205
$6.98 MSRP: $9.30
You Save: $2.32 (25%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cap, Radiator; Reservoir Cap
- Replaces: 1F20-15-205, 1F70-15-205
Fits the following Mazda Models:
- B2300 | 2001-2009 | Base, SE, SX | 4 Cyl 2.3 L GAS
View related parts
Mazda Radiator Cap
Part Number: YF47-15-205
$16.05 MSRP: $21.40
You Save: $5.35 (25%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cap, Radiator; Radiator Cap
Fits the following Mazda Models:
- MPV | 2006 | ES, LX, LX-SV | 6 Cyl 3.0 L GAS
- Miata | 2004-2005 | Base, LS, Mazdaspeed | 4 Cyl 1.8 L GAS

| Page 1 of 3 |Next >

1-20 of 41 Results

Mazda Radiator Cap

The Mazda radiator cap is a vital element of the pressurized cooling system. It helps retain a certain pressure for the coolant, whereby extra steam escapes when it passes some specific threshold. Such steam is then directed to the overflow bottle. After the engine has cooled down, the level of coolant in the radiator drops, and a jacket leading from this bottle back to the radiator opens up through its valve due to pressure on it by fluid. If an individual's radiator cap is malfunctioning, it could cause too much or too little fluid release, thus interfering with how well-balanced this system is. You need to be aware that if your car overheats or the overflow bottle fills up, these are all signs that your Mazda radiator cap is going wrong. If these problems are noticed, it should be noted that driving must stop, and the radiator cap must be examined immediately.

Whenever you need replacements, opt for genuine Mazda Radiator Caps. Because they meet the manufacturer's criteria, it guarantees that replacements fit perfectly. Thus, these make better choices for people who care about driving. Why should you shop at MazdaPartsNow.com? We sell genuine Mazda Radiator Caps. In our online catalog, there is a wide range of different parts. These are delivered directly from authorized Mazda dealers only so that customers can be sure of their security throughout any transaction while using our website. Furthermore, you can also quickly search for OEM parts you want because of our user-friendly site navigation. Choose us for a genuine Mazda Radiator Cap that keeps your car running like new.