This week, five auto parts stocks are improving their overall rating on Portfolio Grader. Each of these rates an “A” (“strong buy”) or “B” overall (“buy”).

Tenneco (TEN) ups its rating to a B (“buy”) this week after earning a C (“hold”) in the week before. Tenneco designs, manufactures, and markets emission control and ride control products and systems for the automotive original equipment market and the aftermarket. In Portfolio Grader’s specific subcategory of Equity, TEN also gets an A. The stock has pushed up 4% over the past week. For more information, get Portfolio Grader’s complete analysis of TEN stock.

Modine Manufacturing Company (MOD) earns a B this week, jumping up from last week’s grade of C. Modine Manufacturing specializes in thermal management systems and components, bringing heating and cooling technology and solutions to diversified global markets. The stock price has risen 7.8% over the past month, better than the 1.7% decrease the S&P 500 has seen over the same period of time. For more information, get Portfolio Grader’s complete analysis of MOD stock.

Lear Corporation (LEA) is making headway this week, with the company’s rating improving to an A (“strong buy”) from a B (“buy”) last week. Lear produces seating systems, wiring harnesses, terminals, connectors, junction boxes, body control electronics, wireless products, and audio systems. For more information, get Portfolio Grader’s complete analysis of LEA stock.

Icahn Enterprises (IEP) boosts its rating from a B to an A this week. Icahn Enterprises is a diversified holding company involved in a variety of businesses. The current dividend yield is 5%. For more information, get Portfolio Grader’s complete analysis of IEP stock.

This is a strong week for STRATTEC SECURITY CORPORATION (STRT). The company’s rating climbs to A from the previous week’s B. Strattec Security designs, develops, manufactures and markets mechanical locks, electro-mechanical locks, latches and related security/access control products for major North American and global automotive manufacturers. For more information, get Portfolio Grader’s complete analysis of STRT stock.

Louis Navellier’s proprietary Portfolio Grader stock ranking system assesses roughly 5,000 companies every week based on a number of fundamental and quantitative measures. Stocks are given a letter grade based on their results — with A being “strong buy,” and F being “strong sell.” Explore the tool here.