| Part | Manufacturer | OEM Part # | Price | Notes |
| C3 Model |
| Throttle Control Diaphragm |
| With White Paint | FOR | E1SZ7A377A | 18.08 | Contact Dealer for most current part and price information. |
| With Green Paint | FOR | E1SZ7A377B | 20.62 | Contact Dealer for most current part and price information. |
| With No Color | FOR | E1ZZ7A377A | 160.75 | Contact Dealer for most current part and price information. |
| With Black Paint | FOR | E1ZZ7A377B | 33.32 | Contact Dealer for most current part and price information. |
| With Blue or Red Paint | FOR | E3ZZ7A377A | 25.82 | Contact Dealer for most current part and price information. |
| With 84DT7A377A2B Stamping | FOR | E4SZ7A377A | 33.09 | Contact Dealer for most current part and price information. |
| With 84DT7A377B3B Stamping | FOR | E4SZ7A377B | 488.23 | Contact Dealer for most current part and price information. |
| C5 Model |
| Diaphragm |
| Green Stripe | FOR | D5AZ7A377B | 33.02 | Contact Dealer for most current part and price information. Order By Model & Tag Identification Number. |
| Stamped D7OP-AA | FOR | D7DZ7A377A | 34.84 | Contact Dealer for most current part and price information. Order By Model & Tag Identification Number. |
| Yellow Stripe | FOR | D2AZ7A377A | 22.13 | Contact Dealer for most current part and price information. Order By Model & Tag Identification Number. |
| Blue Stripe | FOR | D7BZ7A377A | 327.27 | Contact Dealer for most current part and price information. Order By Model & Tag Identification Number. |